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County · GEOID 17003

Alexander County, IL ZIP codes

8 ZIP/ZCTAs intersecting this county.

ACS 2023 population

5,042

Median household income

$43,523

Median home value

$58,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Alexander County (GEOID 17003). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 8,757 (8 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

Alexander County, IL ZIP code map

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

Population overlap

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

USPS associates these ZIPs with Alexander County

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

ZIPCityCountyPopulationIncome
62993UnityAlexander County42—