Smithton, IL ZIP codes

3 ZIP/ZCTAs intersecting this Census place in St. Clair County.

ACS 2023 population

3,512

Median household income

$114,453

Median home value

$251,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Smithton (GEOID 1770252). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 30,100 (3 ZIPs).

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

Map of Smithton, IL

Census place boundary and intersecting ZIP Code Tabulation Areas for Smithton, IL — Census place boundary for Smithton, IL. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Smithton

Population overlap

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

622200.2%
622431.3%
6228582.4%
USPS primary city

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

ZIP codes intersecting Smithton

ZIP	City	County	Population	Income
62220	Belleville	St. Clair County	19,391	$65,261
62243	Freeburg	St. Clair County	6,522	$93,328
62285	Smithton	St. Clair County	4,187	$118,413