EntityQ925426· pop 42· linked from 133 articlesDaytonSign in to savecity in Washington, USAKey factsCountryUnited StatesStateWashingtonCountyColumbiaTypeMayor–councilMayorRoger TrumpTotal1.44 sq mi (3.73 km )Land1.44 sq mi (3.73 km )Water0 sq mi (0.00 km )Elevation1,618 ft (493 m)Density1,700/sq mi (656/km )Time zoneUTC−8 ( Pacific (PST) )Summer dstUTC−7 (PDT)Fips code53-16970WebsiteCity of Daytonvia Wikipedia infoboxArticleDayton is a city in and the county seat of Columbia County, Washington, United States. The population was 2,448 at the 2020 census.HistoryRead full article (40 paragraphs)Connectionscounty seatEntitycityEntityCategories1871 establishments in Washington TerritoryCities in Columbia County, WashingtonCities in Washington (state)County seats in Washington (state)