Mascoutah, IL ZIP codes

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

ACS 2023 population

8,743

Median household income

$93,902

Median home value

$226,300

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Mascoutah (GEOID 1747423). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 39,573 (2 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 Mascoutah, IL

Census place boundary and intersecting ZIP Code Tabulation Areas for Mascoutah, IL — Census place boundary for Mascoutah, 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 Mascoutah

Population overlap

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

622210.0%
6225884.3%
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 Mascoutah

ZIP	City	County	Population	Income
62221	Belleville	St. Clair County	29,281	$78,619
62258	Mascoutah	St. Clair County	10,292	$90,417

USPS associates these ZIPs with Mascoutah

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

ZIP	City	County	Population	Income
62224	Mascoutah	St. Clair County	—	—