Dawson County, Texas
County seat: Lamesa · Population 11,776 (2025) · 900 sq mi
Dawson County is the 157th most populous of Texas's 254 counties, with 11,776 people (2025 estimate). Its county seat is Lamesa. It is part of the West Texas region, one of the 12 Texas Comptroller economic regions. The map shows its 4 cities and towns and the 6 neighboring counties.
Dawson County facts
- County seat
- Lamesa
- Population (2025 estimate)
- 11,776 −5.5% since 2020
- Land area
- 900 sq mi 144th largest of 254
- Water area
- 2 sq mi
- Population density
- 13 per sq mi
- Established
- 1876
- Named after
- Dawson Massacre event which occurred during the Battle of Salado Creek
- Largest city
- Lamesa 8,103
- Median household income
- $54,360
- Cities and towns
- 4 plus 1 CDPs
- ZIP codes
- 4
- Time zone
- Central
- FIPS code
- 48115
Cities and towns in Dawson County
Dawson County has 4 incorporated cities, towns and villages. Populations count the people living inside Dawson County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Lamesa (county seat) | City | 8,103 | |
| Ackerly | City | 161 | Martin County |
| O'Donnell | City | 89 | Lynn County |
| Los Ybanez | City | 20 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Welch | 205 |
ZIP codes in Dawson County
4 ZIP codes reach into Dawson County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 79331 also Martin, Borden and Gaines counties
- 79351 also Lynn and Borden counties
- 79377
- 79713 also Martin, Howard and Borden counties
Population of Dawson County, 2020–2025
Dawson County shrank by 685 people (−5.5%) between April 2020 and July 2025: 18 more deaths than births and a net loss of 678 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 12,474 |
| 2021 | 12,359 |
| 2022 | 12,167 |
| 2023 | 11,912 |
| 2024 | 11,852 |
| 2025 | 11,776 |
Neighboring counties
- Borden County east · 567 people
- Gaines County west · 23,956 people
- Martin County south · 5,284 people
- Lynn County north · 6,017 people
- Terry County northwest · 11,720 people
- Howard County southeast · 30,504 people
Printable Dawson 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) (128 KB)
- PNG (2400 px) (58 KB)
Paste this code to embed the map on your site:
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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