Winthrop, WA

Winthrop is a town in Okanogan County, Washington, United States. It is east of Mazama and north of Twisp. The population was 349 at the 2000 census, and increased to 394 at the 2010 census.
  • Elevation: 1,768 ft (539 m)
  • Country: United States
  • State: Washington
  • County: Okanogan
  • ZIP code: 98862
  • Area code: 509
  • FIPS code: 53-79380
Data from: en.wikipedia.org