Prowers County, Colorado
County seat: Lamar · Population 11,884 (2025) · 1,638 sq mi
Prowers County is the 36th most populous of Colorado's 64 counties, with 11,884 people (2025 estimate). Its county seat is Lamar. It is part of the Region 6: Southern Eastern Plains region, one of the 14 Planning and Management Regions of Colorado. The map shows its 5 cities and towns and the 6 neighboring counties.
Prowers County facts
- County seat
- Lamar
- Population (2025 estimate)
- 11,884 −0.9% since 2020
- Land area
- 1,638 sq mi 28th largest of 64
- Water area
- 6 sq mi
- Population density
- 7 per sq mi
- Established
- 1889
- Largest city
- Lamar 7,588
- Median household income
- $53,508
- Cities and towns
- 5
- ZIP codes
- 6
- Time zone
- Mountain
- FIPS code
- 08099
Cities and towns in Prowers County
Prowers County has 5 incorporated cities, towns and villages. Populations count the people living inside Prowers County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Lamar (county seat) | City | 7,588 | |
| Holly | Town | 836 | |
| Granada | Town | 463 | |
| Wiley | Town | 433 | |
| Hartman | Town | 55 |
ZIP codes in Prowers County
6 ZIP codes reach into Prowers County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 81041 also Baca County
- 81043
- 81047 also Kiowa County
- 81052 also Bent County
- 81084 also Baca County
- 81092 also Bent and Kiowa counties
Population of Prowers County, 2020–2025
Prowers County shrank by 113 people (−0.9%) between April 2020 and July 2025: 10 more births than deaths and a net loss of 130 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 12,012 |
| 2021 | 11,939 |
| 2022 | 11,828 |
| 2023 | 11,766 |
| 2024 | 11,904 |
| 2025 | 11,884 |
Neighboring counties
- Bent County west · 5,716 people
- Baca County south · 3,347 people
- Kiowa County northwest · 1,412 people
- Hamilton County, Kansas east · 2,500 people
- Stanton County, Kansas southeast · 1,986 people
- Greeley County, Kansas northeast · 1,182 people
Printable Prowers 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) (61 KB)
- PNG (2400 px) (64 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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