Logan County, Colorado
County seat: Sterling · Population 20,654 (2025) · 1,839 sq mi
Logan County is the 26th most populous of Colorado's 64 counties, with 20,654 people (2025 estimate). Its county seat is Sterling. 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 6 cities and towns and the 8 neighboring counties.
Logan County facts
- County seat
- Sterling
- Population (2025 estimate)
- 20,654 −4.1% since 2020
- Land area
- 1,839 sq mi 23rd largest of 64
- Water area
- 6 sq mi
- Population density
- 11 per sq mi
- Established
- 1887
- Same name
- One of 10 Logan Counties in the US
- Named after
- John A. Logan American soldier and politician (1826–1886)
- Largest city
- Sterling 13,054
- Median household income
- $51,829
- Cities and towns
- 6 plus 2 CDPs
- ZIP codes
- 9
- Time zone
- Mountain
- FIPS code
- 08075
Cities and towns in Logan County
Logan County has 6 incorporated cities, towns and villages. Populations count the people living inside Logan County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Sterling (county seat) | City | 13,054 | |
| Fleming | Town | 421 | |
| Merino | Town | 276 | |
| Iliff | Town | 246 | |
| Peetz | Town | 202 | |
| Crook | Town | 125 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Atwood | 62 | |
| Padroni | 7 |
ZIP codes in Logan County
9 ZIP codes reach into Logan County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 80722
- 80726
- 80728
- 80731 also Phillips, Yuma and Sedgwick counties
- 80736
- 80741 also Morgan and Washington counties
- 80745
- 80747
- 80751
Population of Logan County, 2020–2025
Logan County shrank by 878 people (−4.1%) between April 2020 and July 2025: 454 more deaths than births and a net loss of 370 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 21,221 |
| 2021 | 21,015 |
| 2022 | 20,798 |
| 2023 | 20,596 |
| 2024 | 20,690 |
| 2025 | 20,654 |
Neighboring counties
- Cheyenne County, Nebraska north · 9,528 people
- Washington County south · 4,732 people
- Weld County west · 378,426 people
- Phillips County east · 4,420 people
- Sedgwick County east · 2,247 people
- Morgan County southwest · 30,306 people
- Kimball County, Nebraska northwest · 3,391 people
- Yuma County southeast · 9,896 people
Printable Logan 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) (80 KB)
- PNG (2400 px) (65 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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