St. Clair County is located in the state of Illinois, with a total population of 259686. The land area spans approximately 1703.659884 square miles, contributing to its total area of 1745.714339 square miles.
St. Clair County Interactive Map
[county_map]
About St. Clair County, Illinois
Here is some important info of St. Clair County, Illinois
St. Clair County, Illinois Population Demographics
As of the last census, St. Clair County has a total population of 259686, out of which 125101 are Male while 134585 are female.
You can check the total population for every year in the below table:
| Year | Population |
|---|---|
| 2010 | 270353 |
| 2011 | 270048 |
| 2012 | 268673 |
| 2013 | 266831 |
| 2014 | 265941 |
| 2015 | 264858 |
| 2016 | 263187 |
| 2017 | 262600 |
| 2018 | 261360 |
| 2019 | 259686 |
Race Demographics
| Category | Percentage |
|---|---|
| non_hispanic_white_alone_male | 30.2% |
| non_hispanic_white_alone_female | 31.1% |
| black_alone_male | 14.0% |
| black_alone_female | 16.5% |
| asian_alone_male | 0.6% |
| asian_alone_female | 0.9% |
| hispanic_male | 2.2% |
| hispanic_female | 2.1% |
Age Demographics
| Category | Percentage |
|---|---|
| 0-4 | 6.3% |
| 5-9 | 6.4% |
| 10-14 | 6.7% |
| 15-19 | 6.2% |
| 20-24 | 5.8% |
| 25-29 | 6.7% |
| 30-34 | 6.4% |
| 35-39 | 6.7% |
| 40-44 | 6.0% |
| 45-49 | 6.1% |
| 50-54 | 6.3% |
| 55-59 | 7.2% |
| 60-64 | 6.8% |
| 65-69 | 5.5% |
| 70-74 | 4.1% |
| 75-79 | 2.8% |
| 80-84 | 1.9% |
| 85+ | 2.1% |
Additional Information
- Average Income: 45061
- Number of Police officers: 726
- St. Clair County FIPS code: 17163
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Source: Census.gov, Wikipedia.org