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
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