La Salle County, Texas

County seat: Cotulla · Population 6,517 (2025) · 1,487 sq mi

La Salle County is the 190th most populous of Texas's 254 counties, with 6,517 people (2025 estimate). Its county seat is Cotulla. It is part of the South Texas region, one of the 12 Texas Comptroller economic regions. The map shows its 2 cities and towns and the 6 neighboring counties.

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

La Salle County facts

County seat
Cotulla
Population (2025 estimate)
6,517 −2.1% since 2020
Land area
1,487 sq mi 23rd largest of 254
Water area
8 sq mi
Population density
4 per sq mi
Established
1858
Named after
René-Robert Cavelier, Sieur de La Salle 17th-century French explorer and fur trader in North America
Largest city
Cotulla 3,583
Median household income
$57,716
Cities and towns
2 plus 1 CDPs
ZIP codes
5
Time zone
Central
FIPS code
48283

Cities and towns in La Salle County

La Salle County has 2 incorporated cities, towns and villages. Populations count the people living inside La Salle County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Cotulla (county seat)City3,583
EncinalCity543

Unincorporated communities (CDPs)

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

CommunityPopulationAlso in
Fowlerton129

ZIP codes in La Salle County

5 ZIP codes reach into La Salle County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of La Salle County, 2020–2025

La Salle County shrank by 140 people (−2.1%) between April 2020 and July 2025: 10 more deaths than births and a net loss of 141 people from migration.

Year (July 1)Population
20206,642
20216,664
20226,513
20236,536
20246,550
20256,517

Neighboring counties

Printable La Salle County map

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Sources

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