Skagit County, Washington

Skagit County is a county in the U.S. state of Washington. As of the 2020 census, the population was 129,523. The county seat and largest city is Mount Vernon. The county was formed in 1883 from the southern part of Whatcom County and is named for the Upper and Lower Skagit Indian tribes, which have been indigenous to the area prior to European-American settlement.