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The county seat of Columbia County, Washington, is Dayton. The county population on July 1, 1999, was 4,155, an increase of 131 over the 1990 census.

For information on county government, contact the National Association of Counties Web site.

Additional information is available at these pages:

Location: Dayton Washington

Other Washington Counties nearby:
(Dayton) Columbia County
(Pomeroy) Garfield County
(Walla Walla) Walla Walla County


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09/26 Coming to The Dayton area
Buttermilk Festival Kamiah ID April6 Learn to make butter the old fashioned way with a modern day twist, and then enjoy your creation on some fresh baked Dutch oven bread. Take in the pancake breakfast, Buttermilk Bowl bowling tournament, horse plop 50/50 raffle, variety of vendors and live music throughout the day.
Big Water Blowout River Festival Riggins ID June1 This is an action packed event with experienced outfitters and guides offering discounted raft trips. Come paddle huge class III and IV rapids and enjoy the magnificent scenery of the second deepest gorge in North America. Get your thrill-seeking in, as the boats go big in boat-munching waves with names like The Pencil Sharpener, The Pancake Wave, The Big Easy and The Haystack.
Lionel Hampton Jazz Festival Moscow ID February20-23 You'll see the best at this four day musical extravaganza in Moscow. The World's greatest jazz artists conduct workshops and clinic by day and perform in star studded concerts at night.