| Douglas County Washington Cities/Towns - Bridgeport, Coulee Dam, East Wenatchee, Mansfield, Palisades, Rock Island, Waterville (County Seat) |
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Your Ad Here Douglas County is a county located in the U.S. state of Washington. Its population was 32,603 at the 2000 U.S. census. The county seat is at Waterville. History It was named after American statesman Stephen A. Douglas. Douglas County was created out of Lincoln County on November 28, 1883. |