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County · GEOID 17163

St. Clair County, IL ZIP codes

34 ZIP/ZCTAs intersecting this county.

ACS 2023 population

254,777

Median household income

$70,178

Median home value

$168,800

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County St. Clair County (GEOID 17163). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 339,994 (34 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

St. Clair County, IL ZIP code map

Census ZIP Code Tabulation Areas in St. Clair County, IL
ZIP Code Tabulation Areas inside St. Clair County, IL. Boundaries: U.S. Census Bureau. Methodology · Data sources
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ZIP/ZCTA overlap with St. Clair County

Population overlap

Share of each ZIP/ZCTA’s population located within St. Clair County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting St. Clair County

ZIPCityCountyPopulationIncome
62059LovejoySt. Clair County811$37,656
62060MadisonMadison County3,619$40,139
62201East Saint LouisSt. Clair County5,017$21,658
62203East Saint LouisSt. Clair County5,539$41,134
62204East Saint LouisSt. Clair County4,824$36,789
62205East Saint LouisSt. Clair County5,760$41,059
62206East Saint LouisSt. Clair County13,155$39,520
62207East Saint LouisSt. Clair County6,801$29,184
62208Fairview HeightsSt. Clair County16,653$78,423
62220BellevilleSt. Clair County19,391$65,261
62221BellevilleSt. Clair County29,281$78,619
62223BellevilleSt. Clair County16,269$69,620
62225Scott Air Force BaseSt. Clair County5,606$91,988
62226BellevilleSt. Clair County28,543$66,018
62232CaseyvilleSt. Clair County7,480$64,268
62234CollinsvilleMadison County31,832$66,437
62236ColumbiaMonroe County14,175$112,070
62239DupoSt. Clair County4,381$57,793
62240East CarondeletSt. Clair County1,994$70,298
62243FreeburgSt. Clair County6,522$93,328
62254LebanonSt. Clair County6,339$89,500
62255LenzburgSt. Clair County1,231$78,250
62257MarissaSt. Clair County1,960$66,848
62258MascoutahSt. Clair County10,292$90,417
62260MillstadtSt. Clair County6,518$93,929
62264New AthensSt. Clair County3,152$61,174
62265New BadenClinton County4,396$88,097
62269O FallonSt. Clair County35,536$100,167
62282Saint LiborySt. Clair County620$113,167
62285SmithtonSt. Clair County4,187$118,413
62289SummerfieldSt. Clair County385$48,472
62293TrentonClinton County4,572$90,059
62294TroyMadison County15,246$108,418
62298WaterlooMonroe County17,907$94,073

USPS associates these ZIPs with St. Clair County

These codes list St. Clair County as a primary or acceptable city. They are not used for the ACS headline.