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County · GEOID 18153

Sullivan County, IN ZIP codes

13 ZIP/ZCTAs intersecting this county.

ACS 2023 population

20,766

Median household income

$54,985

Median home value

$122,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Sullivan County (GEOID 18153). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 27,912 (13 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 Sullivan County

Population overlap

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

USPS associates these ZIPs with Sullivan County

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

ZIPCityCountyPopulationIncome
47852GraysvilleSullivan County27—
47864SullivanSullivan County——