Armstrong County, Texas
County seat: Claude · Population 1,843 (2025) · 909 sq mi
Armstrong County is the 233rd most populous of Texas's 254 counties, with 1,843 people (2025 estimate). Its county seat is Claude. 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.
Armstrong County facts
- County seat
- Claude
- Population (2025 estimate)
- 1,843 −0.2% since 2020
- Land area
- 909 sq mi 126th largest of 254
- Water area
- 5 sq mi
- Population density
- 2 per sq mi
- Established
- 1876
- Largest city
- Claude 1,190
- Median household income
- $72,750
- Cities and towns
- 1 plus 1 CDPs
- ZIP codes
- 6
- Time zone
- Central
- FIPS code
- 48011
Cities and towns in Armstrong County
Armstrong County has 1 incorporated place. Populations count the people living inside Armstrong County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Claude (county seat) | City | 1,190 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Washburn | 278 |
ZIP codes in Armstrong County
6 ZIP codes reach into Armstrong County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 79019 also Randall County
- 79039 also Carson, Gray and Donley counties
- 79042 also Randall, Castro and Swisher counties
- 79094
- 79118 also Randall and Potter counties
- 79226 also Donley, Briscoe and Hall counties
Population of Armstrong County, 2020–2025
Armstrong County shrank by 4 people (−0.2%) between April 2020 and July 2025: 49 more deaths than births and a net gain of 46 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 1,851 |
| 2021 | 1,839 |
| 2022 | 1,855 |
| 2023 | 1,829 |
| 2024 | 1,814 |
| 2025 | 1,843 |
Neighboring counties
- Carson County north · 5,805 people
- Randall County west · 152,351 people
- Donley County east · 3,213 people
- Briscoe County south · 1,474 people
- Swisher County southwest · 6,703 people
- Gray County northeast · 20,919 people
- Potter County northwest · 114,453 people
Printable Armstrong 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) (121 KB)
- PNG (2400 px) (55 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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