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County · GEOID 17199

Williamson County, IL ZIP codes

22 ZIP/ZCTAs intersecting this county.

ACS 2023 population

66,902

Median household income

$65,521

Median home value

$145,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Williamson County (GEOID 17199). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 118,456 (22 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

Williamson County, IL ZIP code map

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

Population overlap

Share of each ZIP/ZCTA’s population located within Williamson 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 Williamson County

ZIPCityCountyPopulationIncome
62841Freeman SpurWilliamson County108$33,750
62890ThompsonvilleFranklin County2,379$49,750
62896West FrankfortFranklin County10,691$55,528
62901CarbondaleJackson County22,920$32,960
62902CarbondaleJackson County4,217$75,313
62915CambriaWilliamson County473$31,111
62917Carrier MillsSaline County2,474$50,523
62918CartervilleWilliamson County10,521$70,975
62921ColpWilliamson County200$36,250
62922Creal SpringsWilliamson County2,697$70,547
62924De SotoJackson County3,064$57,721
62933EnergyWilliamson County1,188$69,896
62935GalatiaSaline County2,246$60,962
62939GorevilleJohnson County3,072$67,719
62948HerrinWilliamson County12,728$59,031
62949HurstWilliamson County699$34,194
62951Johnston CityWilliamson County5,381$49,694
62958MakandaJackson County2,069$68,309
62959MarionWilliamson County27,779$69,914
62967New BurnsideJohnson County310$60,563
62974PittsburgWilliamson County1,648$73,571
62987StonefortSaline County1,592$81,089