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Dayton, Washington

Dayton
City
Dayton, Washington
Columbia County Courthouse in Dayton
Columbia County Courthouse in Dayton
Location of Dayton, Washington
Location of Dayton, Washington
Coordinates: 46°19′11″N 117°58′40″W / 46.31972°N 117.97778°W / 46.31972; -117.97778Coordinates: 46°19′11″N 117°58′40″W / 46.31972°N 117.97778°W / 46.31972; -117.97778
Country United States
State Washington
County Columbia
Area
 • Total 1.43 sq mi (3.70 km2)
 • Land 1.43 sq mi (3.70 km2)
 • Water 0 sq mi (0 km2)
Elevation 1,660 ft (506 m)
Population (2010)
 • Total 2,526
 • Estimate (2015) 2,429
 • Density 1,766.4/sq mi (682.0/km2)
Time zone Pacific (PST) (UTC-8)
 • Summer (DST) PDT (UTC-7)
ZIP code 99328
Area code(s) 509
FIPS code 53-16970
GNIS feature ID 1504356
Website City of Dayton

Dayton is a city in and the county seat of Columbia County, Washington, United States. The population was 2,526 at the 2010 census.

Dayton was founded in the 1860s. A town site plat was filed by Jesse N. and Elizabeth Day on November 23, 1871. Dayton was officially incorporated on November 10, 1881 and was named for Jesse Day. Dayton has the oldest train depot (1881) in Washington State and the oldest continuously used courthouse (1887). The historical community of Baileysburg was once located about one mile southeast of Dayton, at the junction of North Touchet and South Touchet Roads.

Dayton is located at 46°19′11″N 117°58′40″W / 46.31972°N 117.97778°W / 46.31972; -117.97778 (46.319608, -117.977699).

According to the United States Census Bureau, the city has a total area of 1.43 square miles (3.70 km2), all of it land. The Touchet River runs through Dayton.

Dayton is somewhat milder than most of eastern Washington in the winter and has a Mediterranean climate (Köppen Csa/Csb) with hot summers (though nights are pleasantly cool) and chilly, though not severe winters with only very moderate snowfall. Precipitation is moderate for most of the year except for a dry period between July and September when major wildfires are very common in the region with the hot days and very low humidity.

As of the census of 2010, there were 2,526 people, 1,082 households, and 670 families residing in the city. The population density was 1,766.4 inhabitants per square mile (682.0/km2). There were 1,200 housing units at an average density of 839.2 per square mile (324.0/km2). The racial makeup of the city was 91.6% White, 0.4% African American, 1.9% Native American, 0.6% Asian, 0.6% Pacific Islander, 1.8% from other races, and 3.2% from two or more races. Hispanic or Latino of any race were 7.1% of the population.


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