2026 Special Census
What is the 2026 Special Census?
The City of Aurora’s Special Census Initiative is a count of the City’s population that is held outside of the normal census in areas of new construction between 2020 and 2026 throughout City limits. During the 2020 Census, it was reported that the City of Aurora lost approximately 17,000 people. The reported loss in population has led to the City losing over $4.3 million per year in revenue, greatly affecting day-to-day operations and services provided, such as road maintenance, transportation projects, purchases of street salt, public safety, public works, community services, and special events. This lost revenue is through no fault of the City and cannot be recovered.
If the City chose to wait until the 2030 Census to recount the population, the loss of revenue would total $43 million. To mitigate this loss, Aurora will pursue completing a Special Census, leading to a more accurate population count, restoration of key funding, and expansion of services to the City’s growing community.
Look Up Your Address To See If You Are Apart Of The Special Census!
Areas of Interest
2026 Census Tracts
2026 Census Blocks By Ward
Look For These Letters/Postcards In The Mail!


2026 Census Blocks By WardLook For These Letters/Postcards In The Mail!


The U.S. Census Bureau will send each resident two letters and two postcards asking them to take the special census. The letter/postcard will contain the website address you need to take the survey, https://portal.census.gov/specialcensus, AND the personal identification number that you need to use.
Special Census FAQs
Q: Why was Aurora undercounted in 2020?
A: In 2020, a perfect storm of circumstances, including the COVID-19 pandemic, the debate over inclusion of the citizenship question, and new, untested technology designed to count the population, all contributed to Aurora’s undercount.
In the Census Bureau’s 2020 “Post Enumeration Survey,” the State of Illinois was said to be undercounted by 1.97%, while African American populations were undercounted by 3.30% nationwide and Latino populations were undercounted by 4.99% nationwide. Renters were also undercounted by 1.48% nationwide.
The Census Bureau also instituted a new counting technique called “Differential Privacy,” making it impossible for cities to check the Bureau’s work or challenge its results.
All of these factors greatly contributed to Aurora’s undercount, making the 2026 Special Census especially important to ensure Aurora is accurately counted.
Q: Why should I respond to the Special Census?
A: Responding to the 2026 Special Census helps Aurora establish an accurate population count. An accurate count allows the City to better understand and serve the community! An undercount impacts the City’s funding from the Federal Government, which, in turn, impacts the ability to fund key programs and services. Your response will help to restore funding for critical services such as public safety, public works, road repairs, and special events!
Q: I am concerned about privacy. Will my response be used against me?
A: All responses to the Special Census are anonymous, private, and protected by law. Citizens’ responses cannot be used against them in any way. No individual or entity, including the Census Bureau, can track down your response.
Q: I am not an American citizen. Should I complete the Special Census?
A: Yes. No questions regarding your citizenship status will be asked. You will count!
What is the 2026 Special Census?
The City of Aurora’s Special Census Initiative is a count of the City’s population that is held outside of the normal census in areas of new construction between 2020 and 2026 throughout City limits. During the 2020 Census, it was reported that the City of Aurora lost approximately 17,000 people. The reported loss in population has led to the City losing over $4.3 million per year in revenue, greatly affecting day-to-day operations and services provided, such as road maintenance, transportation projects, purchases of street salt, public safety, public works, community services, and special events. This lost revenue is through no fault of the City and cannot be recovered.
If the City chose to wait until the 2030 Census to recount the population, the loss of revenue would total $43 million. To mitigate this loss, Aurora will pursue completing a Special Census, leading to a more accurate population count, restoration of key funding, and expansion of services to the City’s growing community.
Look Up Your Address To See If You Are Apart Of The Special Census!
Areas of Interest
2026 Census Tracts
2026 Census Blocks By Ward
Look For These Letters/Postcards In The Mail!


2026 Census Blocks By WardLook For These Letters/Postcards In The Mail!


The U.S. Census Bureau will send each resident two letters and two postcards asking them to take the special census. The letter/postcard will contain the website address you need to take the survey, https://portal.census.gov/specialcensus, AND the personal identification number that you need to use.
Special Census FAQs
Q: Why was Aurora undercounted in 2020?
A: In 2020, a perfect storm of circumstances, including the COVID-19 pandemic, the debate over inclusion of the citizenship question, and new, untested technology designed to count the population, all contributed to Aurora’s undercount.
In the Census Bureau’s 2020 “Post Enumeration Survey,” the State of Illinois was said to be undercounted by 1.97%, while African American populations were undercounted by 3.30% nationwide and Latino populations were undercounted by 4.99% nationwide. Renters were also undercounted by 1.48% nationwide.
The Census Bureau also instituted a new counting technique called “Differential Privacy,” making it impossible for cities to check the Bureau’s work or challenge its results.
All of these factors greatly contributed to Aurora’s undercount, making the 2026 Special Census especially important to ensure Aurora is accurately counted.
Q: Why should I respond to the Special Census?
A: Responding to the 2026 Special Census helps Aurora establish an accurate population count. An accurate count allows the City to better understand and serve the community! An undercount impacts the City’s funding from the Federal Government, which, in turn, impacts the ability to fund key programs and services. Your response will help to restore funding for critical services such as public safety, public works, road repairs, and special events!
Q: I am concerned about privacy. Will my response be used against me?
A: All responses to the Special Census are anonymous, private, and protected by law. Citizens’ responses cannot be used against them in any way. No individual or entity, including the Census Bureau, can track down your response.
Q: I am not an American citizen. Should I complete the Special Census?
A: Yes. No questions regarding your citizenship status will be asked. You will count!
-
After Delays, Aurora Gears Up For Special Census
Share After Delays, Aurora Gears Up For Special Census on Facebook Share After Delays, Aurora Gears Up For Special Census on Twitter Share After Delays, Aurora Gears Up For Special Census on Linkedin Email After Delays, Aurora Gears Up For Special Census linkThe City of Aurora is now gearing up for a special census that has faced various delays, although the start date is still uncertain.
Aurora previously sought a recount after the 2020 decennial census showed the city had a population of around 180,000, down from 197,000 in 2010 — numbers that city officials have disputed, arguing that the city’s population is actually closer to the levels found in the 2010 census.
The perceived undercount, city officials have said, is costing the city millions of dollars in lost tax revenue each year.
Read the full article in the Aurora Beacon-News HERE.
The City of Aurora is now gearing up for a special census that has faced various delays, although the start date is still uncertain.
Aurora previously sought a recount after the 2020 decennial census showed the city had a population of around 180,000, down from 197,000 in 2010 — numbers that city officials have disputed, arguing that the city’s population is actually closer to the levels found in the 2010 census.
The perceived undercount, city officials have said, is costing the city millions of dollars in lost tax revenue each year.
Read the full article in the Aurora Beacon-News HERE.
-
Aurora Further Delays Special Census
Share Aurora Further Delays Special Census on Facebook Share Aurora Further Delays Special Census on Twitter Share Aurora Further Delays Special Census on Linkedin Email Aurora Further Delays Special Census linkAurora is further delaying a special census originally planned to start earlier this year that was postponed by the federal government.
The 2020 decennial census showed that Aurora had a population of around 180,000, down from 197,000 in 2010 — but city officials have disputed those numbers, arguing that the city’s population is actually closer to the levels found in the 2010 census.
The perceived undercount, city officials have said, is costing the city millions of dollars in lost tax revenue each year.
Read the full article in the Beacon News HERE.
Aurora is further delaying a special census originally planned to start earlier this year that was postponed by the federal government.
The 2020 decennial census showed that Aurora had a population of around 180,000, down from 197,000 in 2010 — but city officials have disputed those numbers, arguing that the city’s population is actually closer to the levels found in the 2010 census.
The perceived undercount, city officials have said, is costing the city millions of dollars in lost tax revenue each year.
Read the full article in the Beacon News HERE.
-
Aurora Officials Say Special Census Postponed By Federal Government
Share Aurora Officials Say Special Census Postponed By Federal Government on Facebook Share Aurora Officials Say Special Census Postponed By Federal Government on Twitter Share Aurora Officials Say Special Census Postponed By Federal Government on Linkedin Email Aurora Officials Say Special Census Postponed By Federal Government linkAurora’s upcoming special census, which was originally set to begin in early February, has been postponed by the federal government as the U.S. Census Bureau awaits the installment of new federal leadership, city officials announced early Thursday morning.
City officials have previously said that they believe Aurora was undercounted in the 2020 decennial census, costing the city millions of dollars in lost tax revenue.
Read the full article in the Beacon News HERE.Aurora’s upcoming special census, which was originally set to begin in early February, has been postponed by the federal government as the U.S. Census Bureau awaits the installment of new federal leadership, city officials announced early Thursday morning.
City officials have previously said that they believe Aurora was undercounted in the 2020 decennial census, costing the city millions of dollars in lost tax revenue.
Read the full article in the Beacon News HERE. -
Aurora Approves Special Census For 2025
Share Aurora Approves Special Census For 2025 on Facebook Share Aurora Approves Special Census For 2025 on Twitter Share Aurora Approves Special Census For 2025 on Linkedin Email Aurora Approves Special Census For 2025 linkThe Aurora City Council passed a resolution Tuesday to pay about $1 million to enter into an agreement with the U.S. Census Bureau for a special census in 2025.
The unanimous vote will allow the city to enter into a memorandum of agreement with the Census Bureau to try to get a count city officials believe is closer to reality than the 180,000-population figure from the 2020 decennial census.
Read the full article in the Aurora Beacon-News HERE.
The Aurora City Council passed a resolution Tuesday to pay about $1 million to enter into an agreement with the U.S. Census Bureau for a special census in 2025.
The unanimous vote will allow the city to enter into a memorandum of agreement with the Census Bureau to try to get a count city officials believe is closer to reality than the 180,000-population figure from the 2020 decennial census.
Read the full article in the Aurora Beacon-News HERE.
-
Aurora to Ask For Special Census Due to Concerns About Undercount of Population
Share Aurora to Ask For Special Census Due to Concerns About Undercount of Population on Facebook Share Aurora to Ask For Special Census Due to Concerns About Undercount of Population on Twitter Share Aurora to Ask For Special Census Due to Concerns About Undercount of Population on Linkedin Email Aurora to Ask For Special Census Due to Concerns About Undercount of Population linkAurora is set to seek a special census from the U.S. Census Bureau in March 2025.
City officials want to get a count they believe to be closer to reality than the about 180,000 population figure the Census Bureau gave for Aurora after the 2020 decennial census.
Read the full article in the Aurora Beacon-News HERE.
Aurora is set to seek a special census from the U.S. Census Bureau in March 2025.
City officials want to get a count they believe to be closer to reality than the about 180,000 population figure the Census Bureau gave for Aurora after the 2020 decennial census.
Read the full article in the Aurora Beacon-News HERE.
-
Letter: Aurora Mayor Says Census Undercount Has "Severe and Unjust Consequences" For The City
Share Letter: Aurora Mayor Says Census Undercount Has "Severe and Unjust Consequences" For The City on Facebook Share Letter: Aurora Mayor Says Census Undercount Has "Severe and Unjust Consequences" For The City on Twitter Share Letter: Aurora Mayor Says Census Undercount Has "Severe and Unjust Consequences" For The City on Linkedin Email Letter: Aurora Mayor Says Census Undercount Has "Severe and Unjust Consequences" For The City linkAccording to the 2020 Census report, the city of Aurora’s population declined from approximately 197,000 in 2010 to now around 180,000, indicating a loss of 17,000 residents.
However, the decline is an unfortunate and unacceptable product of a faulty 2020 Census report, which exacerbates inaccuracies and demands a revision of population estimates to correct this serious mistake.
Read the full letter in the Aurora Beacon-News HERE.
According to the 2020 Census report, the city of Aurora’s population declined from approximately 197,000 in 2010 to now around 180,000, indicating a loss of 17,000 residents.
However, the decline is an unfortunate and unacceptable product of a faulty 2020 Census report, which exacerbates inaccuracies and demands a revision of population estimates to correct this serious mistake.
Read the full letter in the Aurora Beacon-News HERE.
-
Mayor Richard Irvin says Aurora "Absolutely Pursuing a Special Census" After Recent Estimates Say City Lost Population
Share Mayor Richard Irvin says Aurora "Absolutely Pursuing a Special Census" After Recent Estimates Say City Lost Population on Facebook Share Mayor Richard Irvin says Aurora "Absolutely Pursuing a Special Census" After Recent Estimates Say City Lost Population on Twitter Share Mayor Richard Irvin says Aurora "Absolutely Pursuing a Special Census" After Recent Estimates Say City Lost Population on Linkedin Email Mayor Richard Irvin says Aurora "Absolutely Pursuing a Special Census" After Recent Estimates Say City Lost Population linkAurora Mayor Richard Irvin Tuesday night repeated criticism of the U.S. Census Bureau he made last week, and reasserted that the city is “absolutely pursuing a special census recount” in the wake of recent estimates released by the bureau saying Aurora has lost population.
Read the full article in the Aurora Beacon-News HERE.
Aurora Mayor Richard Irvin Tuesday night repeated criticism of the U.S. Census Bureau he made last week, and reasserted that the city is “absolutely pursuing a special census recount” in the wake of recent estimates released by the bureau saying Aurora has lost population.
Read the full article in the Aurora Beacon-News HERE.
-
After Raising Concerns About an Undercount, Aurora Does Deep Dive Into Census Numbers
Share After Raising Concerns About an Undercount, Aurora Does Deep Dive Into Census Numbers on Facebook Share After Raising Concerns About an Undercount, Aurora Does Deep Dive Into Census Numbers on Twitter Share After Raising Concerns About an Undercount, Aurora Does Deep Dive Into Census Numbers on Linkedin Email After Raising Concerns About an Undercount, Aurora Does Deep Dive Into Census Numbers linkAs Aurora forms its case for a new count from the U.S. Census Bureau, an expert in demographics said this week Aurora’s results from the 2020 census look contradictory.
Rob Paral, principal of Rob Paral and Associates, a data analysis company that provides demographic, social and economic information about communities, said Aurora showed a decline in population while most of the rest of the Chicago region showed a slight increase.
“So, it makes us wonder what’s going on in Aurora,” Paral said. “Aurora was definitely an outlier here.”
Read the full article in the Aurora Beacon-News HERE.
As Aurora forms its case for a new count from the U.S. Census Bureau, an expert in demographics said this week Aurora’s results from the 2020 census look contradictory.
Rob Paral, principal of Rob Paral and Associates, a data analysis company that provides demographic, social and economic information about communities, said Aurora showed a decline in population while most of the rest of the Chicago region showed a slight increase.
“So, it makes us wonder what’s going on in Aurora,” Paral said. “Aurora was definitely an outlier here.”
Read the full article in the Aurora Beacon-News HERE.
-
Aurora Hires Consultant For Census Challenge
Share Aurora Hires Consultant For Census Challenge on Facebook Share Aurora Hires Consultant For Census Challenge on Twitter Share Aurora Hires Consultant For Census Challenge on Linkedin Email Aurora Hires Consultant For Census Challenge linkAurora has hired a well-known, Chicago-based data analyst to help with its effort to revise the population count from the U.S. Census Bureau.
Mayor Richard Irvin said this week he is even more convinced that Aurora was undercounted in the decennial census conducted in 2020 and certified by the Census Bureau last week.
Read the full article in the Aurora Beacon-News HERE.
Aurora has hired a well-known, Chicago-based data analyst to help with its effort to revise the population count from the U.S. Census Bureau.
Mayor Richard Irvin said this week he is even more convinced that Aurora was undercounted in the decennial census conducted in 2020 and certified by the Census Bureau last week.
Read the full article in the Aurora Beacon-News HERE.
-
Aurora Continues Fight Over Census Numbers Showing City Lost 17,000 Residents Over the Past 10 Years
Share Aurora Continues Fight Over Census Numbers Showing City Lost 17,000 Residents Over the Past 10 Years on Facebook Share Aurora Continues Fight Over Census Numbers Showing City Lost 17,000 Residents Over the Past 10 Years on Twitter Share Aurora Continues Fight Over Census Numbers Showing City Lost 17,000 Residents Over the Past 10 Years on Linkedin Email Aurora Continues Fight Over Census Numbers Showing City Lost 17,000 Residents Over the Past 10 Years linkAurora Mayor Richard Irvin said this week the city will continue its fight to get what it considers a more accurate census count.
The mayor’s comments during a City Council meeting Tuesday night echoed what he and other city officials have been saying since 2020 decennial census numbers were released two weeks ago by the U.S. Census Bureau.
Read the full article in the Aurora Beacon-News HERE.
Aurora Mayor Richard Irvin said this week the city will continue its fight to get what it considers a more accurate census count.
The mayor’s comments during a City Council meeting Tuesday night echoed what he and other city officials have been saying since 2020 decennial census numbers were released two weeks ago by the U.S. Census Bureau.
Read the full article in the Aurora Beacon-News HERE.
Follow Project
Signup Banner
Custom
Have a general question about the 2026 Special Census?
Email specialcensus@aurora.il.us
To view this page in Spanish, click here.
Social Media Toolkit
Talking Points
Lifecycle
-
June 11, 2019
2026 Special Census has finished this stageThe Aurora City Council passed a resolution to approve the establishment of a Complete Count Committee on June 11, 2019. The resolution directed the Committee to work with representatives of the Census Bureau, State of Illinois agencies, and local Complete Count Committees, and others “to ensure a timely and comprehensive outreach plan to educate City of Aurora residents as to the importance of a complete and accurate 2020 Census count.
-
September 2020
2026 Special Census has finished this stageThe Chairman of the Complete Count Committee reported that Aurora's self-response rate was 73.8%, surpassing the 2010 rate by 2%.
-
August 12, 2021
2026 Special Census has finished this stageThe U.S. Census Bureau released the 2020 Census results. The numbers indicated that Aurora lost approximately 17,000 people, dropping in total population from 197,899 to 180,542.
-
October 6, 2021
2026 Special Census has finished this stageAurora hired Rob Paral, principal of Rob Paral and Associates, a data analysis company that provides demographic, social and economic information about communities, to help with its effort to revise the City's population count from the U.S. Census Bureau.
-
November 4, 2021
2026 Special Census has finished this stageRob Paral, principal of Rob Paral and Associates, provided a report to Aurora's Committee of the Whole regarding the City's population count.
Paral found that Aurora's 2020 U.S. Census numbers are dramatically different than other numbers provided by the Census Bureau itself, and from other sources, such as enrollment figures from Aurora's school districts and the number of housing units within City limits.
-
November 2022
2026 Special Census has finished this stageAurora hired Joan Cameron, noted U.S. Census consultant, to assist with field enumeration efforts.
-
March 31, 2023
2026 Special Census has finished this stageThe City of Aurora submitted its Special Census Application, which included a cost estimate regarding the project.
-
May 19, 2023
2026 Special Census has finished this stageAccording to the U.S. Census Bureau's Population Estimates Program, Aurora lost another 1.47% of its population between 2020 and 2022.
-
June 20, 2023
2026 Special Census has finished this stageAurora submitted a Count Question Resolution with the U.S. Census Bureau. The goal of this program is to improve the quality of the base used for post-2020 Census population estimates. Engaging in this program can lead to population count corrections, which will be reflected in the Census Bureau's population estimates program.
-
July 3, 2024
2026 Special Census has finished this stageThe Aurora Committee of the Whole heard a staff report on the City's census situation, and considered a memorandum of agreement with the U.S. Census Bureau for a special census in 2025.
-
July 10, 2024
2026 Special Census has finished this stageThe Aurora City Council passed a resolution to enter into an agreement with the U.S. Census Bureau for a special census in 2025.
-
January 30, 2025
2026 Special Census has finished this stageThe 2025 Special Census, which was set to begin in early February, had been postponed by the federal government as the U.S. Census Bureau awaited the installment of new federal leadership.
-
June 5, 2025
2026 Special Census has finished this stageThe City of Aurora chose to further delay the 2025 Special Census. The U.S. Census Bureau informed the City that August 1, 2025 would be the new start date, which could put the City at risk of a further undercount. City staff recommended further delaying the effort, as the City would have less than a month to communicate the new date to the community and build public trust.
The City re-entered the queue of cities requesting a special census with the U.S. Census Bureau. -
March 17, 2026
2026 Special Census is currently at this stageThe City of Aurora will be conducting a new construction Special Census initiative in partnership with the U.S. Census Bureau. The special census will focus on areas of new growth within the City.
-
TBD
this is an upcoming stage for 2026 Special CensusMailing #1 of the Internet Self Response Period will take place, providing residents with a code to complete the 2026 Special Census online.
Residents will receive a LETTER in the mail with the website address you need to take the survey, https://portal.census.gov/specialcensus, AND the personal identification number that you need to use.
-
TBD
this is an upcoming stage for 2026 Special CensusMailing #2 of the Internet Self Response Period will take place, providing residents with a code to complete the 2026 Special Census online.
Residents will receive a LETTER in the mail with the website address you need to take the survey, https://portal.census.gov/specialcensus, AND the personal identification number that you need to use.
-
TBD
this is an upcoming stage for 2026 Special CensusMailing #3 of the Internet Self Response Period will take place, providing residents with a code to complete the 2026 Special Census online.
Residents will receive a POSTCARD in the mail with the website address you need to take the survey, https://portal.census.gov/specialcensus, AND the personal identification number that you need to use.
-
TBD
this is an upcoming stage for 2026 Special CensusMailing #4 of the Internet Self Response Period will take place, providing residents with a code to complete the 2026 Special Census online.
Residents will receive a POSTCARD in the mail with the website address you need to take the survey, https://portal.census.gov/specialcensus, AND the personal identification number that you need to use.
-
TBD
this is an upcoming stage for 2026 Special CensusThe Internet Self-Response period ends. Census Bureau field workers will begin going door-to-door, following up with residents who do not respond during the Internet Self-Response Period.
Field representatives will go door-to-door daily from 9 A.M. to 9 P.M., including weekends. They will have identification and will pass background checks.
-
TBD
this is an upcoming stage for 2026 Special CensusField representatives will verify information in some neighborhoods/households for quality control.
Residents may see a field representative standing in front of a home to verify the address. Field representatives may knock on a resident's door and ask the resident to verify address information provided on the special census.
FAQs
- Why is the City completing the Special Census?
- Why was the City undercounted in 2020?
- What areas of the City were undercounted in 2020?
- Why should I respond to the Special Census?
- I am not an American citizen. Should I complete the Special Census?
- I am concerned about privacy. Will my response be used against me?
- Will I be asked about my citizenship status?
- What is a Census Tract?
- What is a Census Block?









