Erath County, Texas

County seat: Stephenville · Population 43,911 (2025) · 1,083 sq mi

Erath County is the 79th most populous of Texas's 254 counties, with 43,911 people (2025 estimate). Its county seat is Stephenville. It is part of the Metroplex region, one of the 12 Texas Comptroller economic regions. The map shows its 3 cities and towns and the 7 neighboring counties.

Map of Erath County, Texas with cities, towns and the county boundary
Erath County, Texas 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).

Erath County facts

County seat
Stephenville
Population (2025 estimate)
43,911 +3.2% since 2020
Land area
1,083 sq mi 52nd largest of 254
Water area
7 sq mi
Population density
41 per sq mi
Established
1856
Named after
George Bernard Erath member of both the Texas House of Representatives and Texas Senate (1813-1891)
Largest city
Stephenville 21,793
Median household income
$65,115
Cities and towns
3 plus 3 CDPs
ZIP codes
13
Time zone
Central
FIPS code
48143

Cities and towns in Erath County

Erath County has 3 incorporated cities, towns and villages. Populations count the people living inside Erath County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Stephenville (county seat)City21,793
DublinCity3,400
HicoCity0Hamilton County

Unincorporated communities (CDPs)

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

CommunityPopulationAlso in
Lingleville272
Huckabay212
Bluff Dale182

ZIP codes in Erath County

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

Population of Erath County, 2020–2025

Erath County grew by 1,366 people (+3.2%) between April 2020 and July 2025: 295 more births than deaths and a net gain of 1,054 people from migration.

Year (July 1)Population
202042,710
202143,372
202243,876
202344,304
202443,995
202543,911

Neighboring counties

Printable Erath County map

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Sources

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