Founded on 1887-02-09, Washington County is one of 64 counties in the state of Colorado. Historically, Washington County was split from Weld County. The city of Akron is the county seat. With FIPS code of 121, Washington County has a population of 4,861 and area of 2,522.90 square miles (6,534 km2).
List of all cities in Washington County, CO alphabetically
| City/Town | Postal Code | Area Code |
| Akron, CO | 80720 | 970 |
| 80801 | 970 | |
| Arickaree, CO | 80801 | 970 |
| Cope, CO | 80812 | 970 |
| Last Chance, CO | 80757 | 970 |
| Lindon, CO | 80740 | 970 |
| Otis, CO | 80743 | 970 |
| Woodrow, CO | 80757 | 970 |
Map of Cities in Washington County, CO
