Cary, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Cary, Illinois is 17,875 as of the 2023 American Community Survey, making it the 143rd-largest city in Illinois. The median household income is $109,790, the median home value is $287,000, and the median age is 38.6.
The population has declined 1.7% since 2010 (18,348 → 18,031).
17,875
Population
2739
People / sq mi
$109,790
Median Income
$287,000
Median Home Value
Cary covers 6.5 sq mi of land at 2739 people per square mile.
About Cary, IL
Cary is a city in Illinois with a population of 17,875. It ranks #143 among cities in Illinois by population. The median age is 38.6, in line with the national median. The population is 50.1% male and 49.9% female.
The median household income in Cary is $109,790, above the US median of $74,580. 2.8% of residents live below the federal poverty level. Home values sit at a median of $287,000, with monthly rent averaging $1,456. The homeownership rate of 85.7% is higher than the national rate of 64.8%.
Educational attainment in Cary reflects 45.5% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 17.7% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 28.6 minutes each way.
Cary village Population History (2010-2024)
The city of Cary village had a population of 18,348 in 2010 and 18,031 in 2024, a -1.7% growth over 14 years. The peak was 18,348 in 2010. Average annual growth rate: -0.12%.
18,031
Population (2024)
18,348
Population (2010)
18,348
Peak (2010)
-0.12%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 18,348 |
| 2011 | 18,274 |
| 2012 | 18,197 |
| 2013 | 18,071 |
| 2014 | 18,023 |
| 2015 | 17,993 |
| 2016 | 17,903 |
| 2017 | 17,877 |
| 2018 | 17,836 |
| 2019 | 18,067 |
| 2020 | 17,810 |
| 2021 | 17,873 |
| 2022 | 17,839 |
| 2023 | 18,013 |
| 2024 | 18,031 |
Race & Ethnicity
| White | 86.4% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.1% |
Economy & Income
$109,790
Median Household Income
$48,512
Per Capita Income
2.8%
Poverty Rate
3.8%
Unemployment Rate
Housing
$287,000
Median Home Value
$1,456
Median Rent
85.7%
Owner-Occupied
Education
96.8%
High School+
45.5%
Bachelor's+
Commute
1.9%
Drive Alone
75.8%
Public Transit
17.7%
Work From Home
28.6 min
Avg Commute
Community Profile
17.9%
Foreign Born
89.7%
Non-English at Home
5.4%
Veterans
8.0%
With Disability
97.0%
Health Insurance
99.1%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 22.2% |
| Finance, Insurance & Real Estate | 14.3% |
| Manufacturing | 13.9% |
| Information | 9.3% |
| Construction | 6.3% |
| Education, Health Care & Social Services | 5.4% |
| Retail Trade | 5.3% |
| Arts, Entertainment & Food Services | 4.9% |
| Public Administration | 3.7% |
| Transportation & Warehousing | 1.2% |
| Agriculture & Mining | 0.2% |
Largest cities in Illinois
Largest counties in Illinois
Part of Illinois
Metro areas in Illinois
City rankings
Frequently Asked Questions
Cary, Illinois has a population of 17,875 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 143rd-largest city in Illinois.
The median household income in Cary, Illinois is $109,790, with 2.8% of residents living below the federal poverty level.
The median home value in Cary, Illinois is $287,000, with median monthly rent at $1,456 and a homeownership rate of 85.7%.
The median age in Cary, Illinois is 38.6 years. The population is 50.1% male and 49.9% female.
The population has declined 1.7% since 2010 (18,348 → 18,031).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.