Clark County, Indiana

County seat: Jeffersonville · Population 130,451 (2025) · 373 sq mi

Clark County is the 14th most populous of Indiana's 92 counties, with 130,451 people (2025 estimate). Its county seat is Jeffersonville. It is part of the Southern (Region 10) region, one of the 12 Indiana economic growth regions (DWD / WorkOne regions). The map shows its 6 cities and towns and the 7 neighboring counties.

Map of Clark County, Indiana with cities, towns and the county boundary
Clark County, Indiana with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Clark County facts

County seat
Jeffersonville
Population (2025 estimate)
130,451 +7.7% since 2020
Land area
373 sq mi 63rd largest of 92
Water area
4 sq mi
Population density
350 per sq mi
Established
1801
Named after
George Rogers Clark American surveyor, soldier, and militia officer (1752–1818)
Largest city
Jeffersonville 54,134
Median household income
$74,214
Cities and towns
6 plus 5 CDPs
ZIP codes
16
Time zone
Eastern
FIPS code
18019

Cities and towns in Clark County

Clark County has 6 incorporated cities, towns and villages. Populations count the people living inside Clark County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Jeffersonville (county seat)City54,134
ClarksvilleTown22,253
SellersburgTown10,305
CharlestownCity8,802
UticaTown1,298
BordenTown842

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Henryville1,691
Underwood957
Memphis784
New Washington351
Otisco109

ZIP codes in Clark County

16 ZIP codes reach into Clark County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Clark County, 2020–2025

Clark County grew by 9,341 people (+7.7%) between April 2020 and July 2025: 373 more deaths than births and a net gain of 9,645 people from migration.

Year (July 1)Population
2020121,374
2021122,860
2022124,254
2023125,691
2024127,763
2025130,451

Neighboring counties

Printable Clark County map

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Sources

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