Chelan County, Washington

Chelan County
Chelan County Courthouse
Location within the U.S. state of Washington
Washington's location within the U.S.
Coordinates: 47°51′40″N 120°37′09″W / 47.86111°N 120.61917°W / 47.86111; -120.61917
Country United States
State Washington
FoundedMarch 13, 1899
SeatWenatchee
Largest cityWenatchee
Area
  Total
2,994 sq mi (7,750 km2)
  Land2,921 sq mi (7,570 km2)
  Water73 sq mi (190 km2)  2.5%
Population
 (2020)
  Total
79,074
  Estimate 
(2024)
81,228
  Density26/sq mi (10/km2)
Time zoneUTC−8 (Pacific)
  Summer (DST)UTC−7 (PDT)
Congressional district8th
Websiteco.chelan.wa.us

Chelan County (/ʃəˈlæn/, shə-LAN) is a county in the U.S. state of Washington. As of the 2020 census, its population was 79,074. The county seat and largest city is Wenatchee. The county was created out of Okanogan and Kittitas Counties on March 13, 1899. It derives its name from a Chelan Indian word meaning "deep water," likely a reference to 55-mile (89 km)-long Lake Chelan, which reaches a maximum depth of 1,486 feet (453 m).

Chelan County is part of the Wenatchee, Washington, Metropolitan Statistical Area.