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Wasco County

The Old Columbia River Highway with the river far below. (Oregon State Archives Photo No. wasD0068)

The Old Columbia River Highway with the river far below. (Oregon State Archives Photo No. wasD0068)

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County Seat: Courthouse, 511 Washington St., The Dalles 97058
Phone: 541-506-2500 (General); 541-506-2700 (Court Administrator)
Fax: 541-506-2531


Population (2013): 25,810
Established: Jan. 11, 1854
Elev. at The Dalles: 98'
Area: 2,396 sq. mi.
Average Temp.: January 33.4° July 73.1°
Assessed Value: $2,053,785,839
Real Market Value: $2,690,749,962
Annual Precipitation: 14.9"
Economy: Agriculture, forest products, manufacturing, electric power, aluminum and transportation


Wasco County map

Related resources
Historical Records Inventory
Scenic Image
"County QuickFacts" (from U.S. Census Bureau)
County Seat Map (from Yahoo! Maps)
County Map (from ODOT)


Incorporated cities
Antelope | Dufur | Maupin | Mosier | Shaniko | The Dalles


Points of interest
Columbia and Deschutes Rivers, Fort Dalles Museum, Pulpit Rock, The Dalles Dam, Celilo Converter Station, Confederated Tribes of the Warm Springs Reservation and Kah-Nee-Ta Resort, Mt. Hood, Sorosis Park,
original Wasco County Courthouse, St. Peter’s Landmark and the Columbia River Gorge Discovery Center


History and general information
When the Territorial Legislature created Wasco County in 1854 from parts of Clackamas, Lane, Linn and Marion Counties, it embraced all of Oregon east of the Cascade Range, most of Idaho and parts of Montana and Wyoming. It was named for the Wasco (or Wascopam) Tribe.


Wasco’s county seat is The Dalles. Now the trading hub of north-central Oregon, The Dalles gained earlier fame as the town at the end of the Oregon Trail. Thousands of years before that, humans scratched pictographs on rocks overlooking the Columbia River in this area. Later, tribes gathered for generations near Celilo Falls to trade and fish. The county’s tribal heritage continues in evidence today. Kah-Nee-Ta, a popular Oregon resort, is located on the Confederated Tribes of the Warm Springs Reservation in southern Wasco County.


County officials
Commissioners—Scott Hege 2019, Steve Kramer 2017, Rod Runyon, 2019; Dist. Atty. Eric Nisley 2017; Assess. Jill Filla Amery 2019; Clerk Linda Brown 2017; Sheriff Rick Eiesland 2017; Surv. Dan Boldt; Treas. Chad Krause 2017


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