Wahkiakum County, Washington

Wahkiakum County
County
Wahkiakum County Courthouse in Cathlamet
Location within the U.S. state of Washington
Washington's location within the U.S.
Coordinates: 46°17′N 123°26′W / 46.29°N 123.43°W / 46.29; -123.43
Country	United States
State	Washington
Founded	April 24, 1854
Named for	Chief Wahkiakum
Seat	Cathlamet
Largest town	Puget Island
Area
• Total	287 sq mi (740 km2)
• Land	263 sq mi (680 km2)
• Water	24 sq mi (60 km2)  8.3%
Population  (2020)
• Total	4,422
• Estimate  (2022)	4,688
• Density	15/sq mi (6/km2)
Time zone	UTC−8 (Pacific)
• Summer (DST)	UTC−7 (PDT)
Congressional district	3rd
Website	www.co.wahkiakum.wa.us

Wahkiakum County (/wəˈkaɪ.əkʌm/) is a county located in the U.S. state of Washington. As of the 2020 census, the population was 4,422,^[1] making it one of the least populous counties in Washington. The county seat and only incorporated town is Cathlamet.^[2] The county was formed out of Cowlitz County in April 1854^[3] and is named for Chief Wahkiakum ("Tall Timber") of the Chinook, who is buried in the Pioneer Cemetery in Cathlamet.^[4]

The county operates the Wahkiakum County Ferry, which connects Cathlamet to Westport, Oregon, across the Columbia River.