Phillips County, Colorado
County seat: Holyoke · Population 4,420 (2025) · 688 sq mi
Phillips County is the 54th most populous of Colorado's 64 counties, with 4,420 people (2025 estimate). Its county seat is Holyoke. It is part of the Region 1: Northern Eastern Plains region, one of the 14 Planning and Management Regions of Colorado. The map shows its 3 cities and towns and the 5 neighboring counties.
Phillips County facts
- County seat
- Holyoke
- Population (2025 estimate)
- 4,420 −2.5% since 2020
- Land area
- 688 sq mi 54th largest of 64
- Water area
- 0 sq mi
- Population density
- 6 per sq mi
- Established
- 1889
- Same name
- One of 4 Phillips Counties in the US
- Largest city
- Holyoke 2,264
- Median household income
- $64,674
- Cities and towns
- 3 plus 1 CDPs
- ZIP codes
- 4
- Time zone
- Mountain
- FIPS code
- 08095
Cities and towns in Phillips County
Phillips County has 3 incorporated cities, towns and villages. Populations count the people living inside Phillips County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Holyoke (county seat) | City | 2,264 | |
| Haxtun | Town | 951 | |
| Paoli | Town | 48 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Amherst | 82 |
ZIP codes in Phillips County
4 ZIP codes reach into Phillips County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 80721
- 80731 also Logan, Yuma and Sedgwick counties
- 80734 also Yuma County
- 80746
Population of Phillips County, 2020–2025
Phillips County shrank by 114 people (−2.5%) between April 2020 and July 2025: 75 more deaths than births and a net loss of 40 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 4,528 |
| 2021 | 4,504 |
| 2022 | 4,444 |
| 2023 | 4,460 |
| 2024 | 4,454 |
| 2025 | 4,420 |
Neighboring counties
- Yuma County south · 9,896 people
- Sedgwick County north · 2,247 people
- Logan County west · 20,654 people
- Chase County, Nebraska east · 3,718 people
- Perkins County, Nebraska northeast · 2,849 people
Printable Phillips 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) (55 KB)
- PNG (2400 px) (51 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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