Lawrence County, Ohio

County seat: Ironton · Population 55,710 (2025) · 453 sq mi

Lawrence County is the 46th most populous of Ohio's 88 counties, with 55,710 people (2025 estimate). Its county seat is Ironton. The map shows its 7 cities and towns and the 7 neighboring counties.

Map of Lawrence County, Ohio with cities, towns and the county boundary
Lawrence County, Ohio 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).

Lawrence County facts

County seat
Ironton
Population (2025 estimate)
55,710 −4.4% since 2020
Land area
453 sq mi 41st largest of 88
Water area
4 sq mi
Population density
123 per sq mi
Established
1815
Named after
James Lawrence American naval officer
Largest city
Ironton 10,148
Median household income
$58,325
Cities and towns
7 plus 2 CDPs
ZIP codes
14
Time zone
Eastern
FIPS code
39087

Cities and towns in Lawrence County

Lawrence County has 7 incorporated cities, towns and villages. Populations count the people living inside Lawrence County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Ironton (county seat)City10,148
South PointVillage3,640
Coal GroveVillage1,808
ChesapeakeVillage719
ProctorvilleVillage494
AthaliaVillage263
Hanging RockVillage198

Unincorporated communities (CDPs)

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

CommunityPopulationAlso in
Burlington2,807
Miller467

ZIP codes in Lawrence County

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

Population of Lawrence County, 2020–2025

Lawrence County shrank by 2,533 people (−4.4%) between April 2020 and July 2025: 2,054 more deaths than births and a net loss of 469 people from migration.

Year (July 1)Population
202058,146
202157,375
202256,526
202356,196
202455,957
202555,710

Neighboring counties

Printable Lawrence County map

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Sources

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