Lamb County, Texas
County seat: Littlefield · Population 12,579 (2025) · 1,016 sq mi
Lamb County is the 150th most populous of Texas's 254 counties, with 12,579 people (2025 estimate). Its county seat is Littlefield. It is part of the High Plains region, one of the 12 Texas Comptroller economic regions. The map shows its 6 cities and towns and the 7 neighboring counties.

Lamb County facts
- County seat
- Littlefield
- Population (2025 estimate)
- 12,579 −3.5% since 2020
- Land area
- 1,016 sq mi 69th largest of 254
- Water area
- 2 sq mi
- Population density
- 12 per sq mi
- Established
- 1876
- Largest city
- Littlefield 5,675
- Median household income
- $60,760
- Cities and towns
- 6 plus 1 CDPs
- ZIP codes
- 14
- Time zone
- Central
- FIPS code
- 48279
Cities and towns in Lamb County
Lamb County has 6 incorporated cities, towns and villages. Populations count the people living inside Lamb County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Littlefield (county seat) | City | 5,675 | |
| Olton | City | 1,913 | |
| Sudan | City | 932 | |
| Earth | City | 893 | |
| Amherst | City | 640 | |
| Springlake | Town | 138 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Spade | 33 |
ZIP codes in Lamb County
14 ZIP codes reach into Lamb County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 79027 also Castro County
- 79031 also Castro County
- 79041 also Hale County
- 79043 also Castro and Hale counties
- 79064 also Hale County
- 79082
- 79312
- 79313 also Hockley and Lubbock counties
- 79324 also Bailey County
- 79326
- 79339 also Hockley County
- 79347 also Bailey, Parmer and Castro counties
- 79369
- 79371 also Bailey County
Population of Lamb County, 2020–2025
Lamb County shrank by 462 people (−3.5%) between April 2020 and July 2025: 67 more deaths than births and a net loss of 400 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 13,005 |
| 2021 | 12,902 |
| 2022 | 12,747 |
| 2023 | 12,713 |
| 2024 | 12,618 |
| 2025 | 12,579 |
Neighboring counties
- Hale County east · 31,819 people
- Bailey County west · 6,963 people
- Hockley County south · 21,600 people
- Castro County north · 7,295 people
- Parmer County northwest · 9,678 people
- Cochran County southwest · 2,546 people
- Lubbock County southeast · 328,906 people
Printable Lamb 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) (134 KB)
- PNG (2400 px) (63 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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