Winthrop, Washington
| Winthrop, Washington | |
|---|---|
| Downtown Winthrop | |
| Location of Winthrop, Washington | |
| Coordinates: 48°28′18″N 120°10′45″W / 48.47167°N 120.17917°W | |
| Country | United States | 
| State | Washington | 
| County | Okanogan | 
| Incorporated | March 12, 1924 | 
| Government | |
| • Mayor | Sally Ranzau | 
| Area | |
|  • Total | 0.93 sq mi (2.42 km2) | 
| • Land | 0.93 sq mi (2.42 km2) | 
| • Water | 0.00 sq mi (0.00 km2) | 
| Elevation | 1,745 ft (532 m) | 
| Population  (2020) | |
|  • Total | 504 | 
| • Density | 540/sq mi (210/km2) | 
| Time zone | UTC-8 (Pacific (PST)) | 
| • Summer (DST) | UTC-7 (PDT) | 
| ZIP code | 98862 | 
| Area code | 509 | 
| FIPS code | 53-79380 | 
| GNIS feature ID | 2413503 | 
| Website | townofwinthrop.com | 
Winthrop is a town in Okanogan County, Washington, United States. It is east of Mazama and north of Twisp. The population was 394 at the 2010 census, and increased to 504 at the 2020 census. Winthrop adopted an Old West theme for its downtown architecture in 1971 to prepare for the opening of the North Cascades Highway.