Las Animas County, Colorado
County seat: Trinidad · Population 14,391 (2025) · 4,773 sq mi
Las Animas County is the 33rd most populous of Colorado's 64 counties, with 14,391 people (2025 estimate). Its county seat is Trinidad. It is part of the Region 14: Southern Mountains region, one of the 14 Planning and Management Regions of Colorado. The map shows its 6 cities and towns and the 8 neighboring counties.
Las Animas County facts
- County seat
- Trinidad
- Population (2025 estimate)
- 14,391 −1.1% since 2020
- Land area
- 4,773 sq mi 1st largest of 64
- Water area
- 3 sq mi
- Population density
- 3 per sq mi
- Established
- 1866
- Named after
- Purgatoire River river in Bent, Otero, and Las Animas counties in Colorado, United States
- Largest city
- Trinidad 8,091
- Median household income
- $52,074
- Cities and towns
- 6 plus 8 CDPs
- ZIP codes
- 12
- Time zone
- Mountain
- FIPS code
- 08071
Cities and towns in Las Animas County
Las Animas County has 6 incorporated cities, towns and villages. Populations count the people living inside Las Animas County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Trinidad (county seat) | City | 8,091 | |
| Aguilar | Town | 445 | |
| Cokedale | Town | 123 | |
| Starkville | Town | 66 | |
| Kim | Town | 63 | |
| Branson | Town | 57 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| El Moro | 151 | |
| Segundo | 143 | |
| Jansen | 81 | |
| Stonewall Gap | 45 | |
| Hoehne | 40 | |
| Valdez | 26 | |
| Weston | 24 | |
| Lynn | 0 |
ZIP codes in Las Animas County
12 ZIP codes reach into Las Animas County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 81020
- 81024
- 81027
- 81046
- 81049
- 81054 also Bent and Baca counties
- 81059 also Otero County
- 81064 also Baca County
- 81081
- 81082
- 81089 also Huerfano County
- 81091
Population of Las Animas County, 2020–2025
Las Animas County shrank by 162 people (−1.1%) between April 2020 and July 2025: 534 more deaths than births and a net gain of 366 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 14,491 |
| 2021 | 14,335 |
| 2022 | 14,299 |
| 2023 | 14,389 |
| 2024 | 14,511 |
| 2025 | 14,391 |
Neighboring counties
- Huerfano County northwest · 7,011 people
- Colfax County, New Mexico southwest · 12,184 people
- Union County, New Mexico southeast · 3,844 people
- Baca County east · 3,347 people
- Otero County northeast · 17,683 people
- Costilla County west · 3,679 people
- Bent County northeast · 5,716 people
- Pueblo County north · 169,277 people
Printable Las Animas 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) (95 KB)
- PNG (2400 px) (76 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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