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County · GEOID 18147

Spencer County, IN ZIP codes

16 ZIP/ZCTAs intersecting this county.

ACS 2023 population

19,871

Median household income

$70,890

Median home value

$180,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Spencer County (GEOID 18147). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 41,095 (16 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

ZIP/ZCTA overlap with Spencer County

Population overlap

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

USPS associates these ZIPs with Spencer County

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