St. Charles, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of St. Charles, Illinois is 32,733 as of the 2023 American Community Survey, making it the 57th-largest city in Illinois. The median household income is $115,350, the median home value is $369,700, and the median age is 41.6.
The population has grown 3.5% since 2010 (32,335 → 33,482).
32,733
Population
2264
People / sq mi
$115,350
Median Income
$369,700
Median Home Value
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St. Charles covers 14.5 sq mi of land at 2264 people per square mile.
About St. Charles, IL
The poverty rate is what most separates St. Charles from the typical city: 1.3% of residents live below the federal poverty line, against 12.4% nationally. St. Charles is a city in Illinois with a population of 32,733.
Median household income is $115,350, above the US median of $78,538. Very few residents live in poverty — 1.3%, below the national 12.4%. Median home value is $369,700, with typical rent around $1,788.
About 51.2% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. About 14.5% of the workforce is home-based, close to the national 14.0%, and the average commute runs about 29 minutes each way.
St. Charles city Population History (2010-2024)
The city of St. Charles city had a population of 32,335 in 2010 and 33,482 in 2024, a 3.5% growth over 14 years. The peak was 33,482 in 2024. Average annual growth rate: 0.25%.
33,482
Population (2024)
32,335
Population (2010)
33,482
Peak (2024)
0.25%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 32,335 |
| 2011 | 32,464 |
| 2012 | 32,517 |
| 2013 | 32,518 |
| 2014 | 32,604 |
| 2015 | 32,651 |
| 2016 | 32,612 |
| 2017 | 32,547 |
| 2018 | 32,917 |
| 2019 | 32,887 |
| 2020 | 33,084 |
| 2021 | 33,097 |
| 2022 | 32,849 |
| 2023 | 32,850 |
| 2024 | 33,482 |
Race & Ethnicity
| White | 79.5% |
| Black or African American | 3.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Economy & Income
$115,350
Median Household Income
$59,651
Per Capita Income
1.3%
Poverty Rate
3.2%
Unemployment Rate
Housing
$369,700
Median Home Value
$1,788
Median Rent
70.3%
Owner-Occupied
Education
94.7%
High School+
51.2%
Bachelor's+
Commute
2.3%
Drive Alone
72.9%
Public Transit
14.5%
Work From Home
28.6 min
Avg Commute
Community Profile
18.2%
Foreign Born
83.3%
Non-English at Home
4.4%
Veterans
9.0%
With Disability
95.7%
Health Insurance
97.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.9% |
| Manufacturing | 13.8% |
| Education, Health Care & Social Services | 11.4% |
| Finance, Insurance & Real Estate | 10.5% |
| Information | 6.3% |
| Retail Trade | 5.2% |
| Arts, Entertainment & Food Services | 5.0% |
| Construction | 4.9% |
| Public Administration | 4.9% |
| Transportation & Warehousing | 1.8% |
| Agriculture & Mining | 0.1% |
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Frequently Asked Questions
St. Charles, Illinois has a population of 32,733 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 57th-largest city in Illinois.
The median household income in St. Charles, Illinois is $115,350, with 1.3% of residents living below the federal poverty level.
The median home value in St. Charles, Illinois is $369,700, with median monthly rent at $1,788 and a homeownership rate of 70.3%.
The median age in St. Charles, Illinois is 41.6 years. The population is 51.3% male and 48.7% female.
The population has grown 3.5% since 2010 (32,335 → 33,482).
Where to stay in St. Charles
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.