Garza County, Texas

County seat: Post · Population 4,510 (2025) · 893 sq mi

Garza County is the 206th most populous of Texas's 254 counties, with 4,510 people (2025 estimate). Its county seat is Post. It is part of the High Plains region, one of the 12 Texas Comptroller economic regions. The map shows its 1 city or town and the 7 neighboring counties.

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

Garza County facts

County seat
Post
Population (2025 estimate)
4,510 −22.4% since 2020
Land area
893 sq mi 157th largest of 254
Water area
3 sq mi
Population density
5 per sq mi
Established
1876
Named after
José Antonio de la Garza American mayor
Largest city
Post 3,494
Median household income
$46,314
Cities and towns
1
ZIP codes
4
Time zone
Central
FIPS code
48169

Cities and towns in Garza County

Garza County has 1 incorporated place. Populations count the people living inside Garza County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Post (county seat)City3,494

ZIP codes in Garza County

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

Population of Garza County, 2020–2025

Garza County shrank by 1,305 people (−22.4%) between April 2020 and July 2025: 26 more deaths than births and a net loss of 1,443 people from migration.

Year (July 1)Population
20205,806
20216,257
20224,502
20234,544
20244,567
20254,510

Neighboring counties

Printable Garza County map

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Sources

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