Limestone County, Texas
County seat: Groesbeck · Population 22,849 (2025) · 905 sq mi
Limestone County is the 110th most populous of Texas's 254 counties, with 22,849 people (2025 estimate). Its county seat is Groesbeck. It is part of the Central Texas region, one of the 12 Texas Comptroller economic regions. The map shows its 7 cities and towns and the 7 neighboring counties.
Limestone County facts
- County seat
- Groesbeck
- Population (2025 estimate)
- 22,849 +3.2% since 2020
- Land area
- 905 sq mi 132nd largest of 254
- Water area
- 28 sq mi
- Population density
- 25 per sq mi
- Established
- 1846
- Named after
- limestone sedimentary rocks made of the chemical substance calcium carbonate
- Largest city
- Mexia 7,091
- Median household income
- $60,573
- Cities and towns
- 7
- ZIP codes
- 14
- Time zone
- Central
- FIPS code
- 48293
Cities and towns in Limestone County
Limestone County has 7 incorporated cities, towns and villages. Populations count the people living inside Limestone County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Mexia | City | 7,091 | |
| Groesbeck (county seat) | City | 3,995 | |
| Coolidge | Town | 805 | |
| Kosse | Town | 462 | |
| Thornton | Town | 429 | |
| Tehuacana | Town | 230 | |
| Mart | City | 7 | McLennan County |
ZIP codes in Limestone County
14 ZIP codes reach into Limestone County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 75838 also Freestone County
- 75846 also Leon County
- 76624 also McLennan County
- 76635
- 76642
- 76648 also Hill and Navarro counties
- 76653 also Falls and Robertson counties
- 76664 also McLennan and Falls counties
- 76667 also Freestone County
- 76673 also Hill and McLennan counties
- 76678
- 76686
- 76687 also Robertson and Falls counties
- 76693 also Freestone and Navarro counties
Population of Limestone County, 2020–2025
Limestone County grew by 701 people (+3.2%) between April 2020 and July 2025: 427 more deaths than births and a net gain of 1,110 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 22,141 |
| 2021 | 22,067 |
| 2022 | 22,337 |
| 2023 | 22,489 |
| 2024 | 22,747 |
| 2025 | 22,849 |
Neighboring counties
- Freestone County east · 20,811 people
- Falls County southwest · 17,869 people
- Robertson County south · 17,839 people
- McLennan County west · 272,020 people
- Hill County northwest · 39,503 people
- Navarro County north · 57,181 people
- Leon County southeast · 16,894 people
Printable Limestone 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) (136 KB)
- PNG (2400 px) (83 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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