Gonzales County, Texas
County seat: Gonzales · Population 20,159 (2025) · 1,067 sq mi
Gonzales County is the 123rd most populous of Texas's 254 counties, with 20,159 people (2025 estimate). Its county seat is Gonzales. It is part of the Alamo region, one of the 12 Texas Comptroller economic regions. The map shows its 4 cities and towns and the 7 neighboring counties.
Gonzales County facts
- County seat
- Gonzales
- Population (2025 estimate)
- 20,159 +2.6% since 2020
- Land area
- 1,067 sq mi 54th largest of 254
- Water area
- 3 sq mi
- Population density
- 19 per sq mi
- Established
- 1836
- Named after
- Gonzales city in and county seat of Gonzales County, Texas, United States
- Largest city
- Gonzales 7,239
- Median household income
- $58,672
- Cities and towns
- 4
- ZIP codes
- 15
- Time zone
- Central
- FIPS code
- 48177
Cities and towns in Gonzales County
Gonzales County has 4 incorporated cities, towns and villages. Populations count the people living inside Gonzales County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Gonzales (county seat) | City | 7,239 | |
| Nixon | City | 2,406 | Wilson County |
| Waelder | City | 954 | |
| Smiley | City | 501 |
ZIP codes in Gonzales County
15 ZIP codes reach into Gonzales County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 77954 also DeWitt County
- 77984 also Lavaca and DeWitt counties
- 77994 also DeWitt County
- 78122
- 78140 also Wilson, Guadalupe and Karnes counties
- 78159
- 78614
- 78629 also DeWitt County
- 78632 also Caldwell County
- 78638 also Guadalupe County
- 78648 also Caldwell and Guadalupe counties
- 78658
- 78677
- 78941 also Fayette, Bastrop and Lavaca counties
- 78959 also Fayette, Caldwell and Bastrop counties
Population of Gonzales County, 2020–2025
Gonzales County grew by 511 people (+2.6%) between April 2020 and July 2025: 231 more births than deaths and a net gain of 265 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 19,670 |
| 2021 | 19,623 |
| 2022 | 19,847 |
| 2023 | 20,028 |
| 2024 | 20,129 |
| 2025 | 20,159 |
Neighboring counties
- DeWitt County south · 20,309 people
- Caldwell County north · 55,150 people
- Guadalupe County west · 201,111 people
- Lavaca County east · 20,651 people
- Fayette County northeast · 25,459 people
- Wilson County southwest · 56,139 people
- Karnes County southwest · 15,018 people
Printable Gonzales County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (140 KB)
- PNG (2400 px) (88 KB)
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Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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