Jackson County, Colorado
County seat: Walden · Population 1,211 (2025) · 1,614 sq mi
Jackson County is the 61st most populous of Colorado's 64 counties, with 1,211 people (2025 estimate). Its county seat is Walden. It is part of the Region 12: Northern Mountains region, one of the 14 Planning and Management Regions of Colorado. The map shows its 1 city or town and the 5 neighboring counties.
Jackson County facts
- County seat
- Walden
- Population (2025 estimate)
- 1,211 −12.3% since 2020
- Land area
- 1,614 sq mi 29th largest of 64
- Water area
- 7 sq mi
- Population density
- 1 per sq mi
- Established
- 1909
- Same name
- One of 23 Jackson Counties in the US
- Named after
- Andrew Jackson president of the United States from 1829 to 1837
- Largest city
- Walden 529
- Median household income
- $47,667
- Cities and towns
- 1
- ZIP codes
- 4
- Time zone
- Mountain
- FIPS code
- 08057
Cities and towns in Jackson County
Jackson County has 1 incorporated place. Populations count the people living inside Jackson County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Walden (county seat) | Town | 529 |
ZIP codes in Jackson County
4 ZIP codes reach into Jackson County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 80430
- 80434
- 80473
- 80480
Population of Jackson County, 2020–2025
Jackson County shrank by 169 people (−12.3%) between April 2020 and July 2025: 21 more deaths than births and a net loss of 150 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 1,379 |
| 2021 | 1,360 |
| 2022 | 1,314 |
| 2023 | 1,311 |
| 2024 | 1,277 |
| 2025 | 1,211 |
Neighboring counties
- Grand County south · 16,496 people
- Routt County west · 25,329 people
- Larimer County east · 377,292 people
- Carbon County, Wyoming northwest · 14,013 people
- Albany County, Wyoming northeast · 38,558 people
Printable Jackson 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) (73 KB)
- PNG (2400 px) (71 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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