Wasco County, Oregon

Wasco County: County in Oregon, United States


Wasco County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 25,213 and a population density of 4 people per km². After 10 years in 2020 county had an estimated population of 26,403 inhabitants. Its county seat is The Dalles. The county was created 170 years ago in 1853.

Wasco County locator map
Location of Wasco County on Oregon map.

Quick Facts about Wasco County

Population : 26,403 (2020)
Country : United States of America
State : Oregon (United States)
Different from : Wasco
Area : 6203 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Wasco-Wishram people
Altitude : 1,870 feet / 570 meters
Capital : The Dalles
Establishment : January 01, 1854
Time Zone : America/Los_Angeles
Local time : 15:22:09 (20th April 2024)
Density : 4 Pop. per km² as of 2020
Population growth : 4.51% (2010-2020)
WascoCountyCourthouse image
WascoCountyCourthouse image


Wasco County is located at 45°9'36"N 121°10'5"W (45.1600500, -121.1681500). It has 8 neighbors: Marion County, Sherman County, Wheeler County, Clackamas County, Gilliam County, Hood River County, Jefferson County and Klickitat County.

Wasco County map

The largest city of Wasco County is The Dalles with a population of 15,581. Other cities include, Chenoweth population 1,855, Dufur population 634, Mosier population 458 and Maupin population 429. See all Wasco County cities & populated places.

Wasco County Populated Places

Cities, towns, neighborhoods & other populated places in Wasco County.

City Name Population Title
The Dalles 15,581 City in and county seat of Wasco County, Oregon, Unite States
Chenoweth 1,855 Unincorporated community in Oregon
Dufur 634 City in Oregon, USA
Mosier 458 City in Oregon, USA
Maupin 429 City in Oregon, USA
Antelope 49 City in Wasco County, Oregon, United States
Shaniko 37 City in Oregon, USA

Wasco County has 8 neighbours.

  • The Dalles


The population of Wasco County increased by 4.51% in 10 years.

Year Population % Change Method
2010 25,213 - census
2011 25,216 0.01% estimation process
2012 25,370 0.61% estimation process
2013 25,323 -0.19% estimation process
2014 25,268 -0.22% estimation process
2015 25,457 0.74% estimation process
2016 25,782 1.26% estimation process
2017 26,296 1.95% estimation process
2018 26,432 0.51% estimation process
2019 26,682 0.94% estimation process
2020 26,403 -1.06% estimation process

Comitatul Wasco, Comte de Wasco, Comté de Wasco, Condado de Wasco, Condado han Wasco, Contea di Wasco, Hrabstwo Wasco, Okrug Vosko, Owasko srjan, Quan Wasco, Quận Wasco, Uasko, Vasko, Wasco, Wasco Comitatus, Wasco Kun, Wasco Kūn, Wasco konderria, Wasco maakond, Wasco megye, mqatʿt waskw, raasako ka'unti, shhrstan waskw awrgn, wasuko jun, wo si ke xian, Васко, Округ Воско, Уаско, Ուասկո շրջան, شهرستان واسکو، اورگن, مقاطعة واسكو, واسکو کاؤنٹی، اوریگون, ৱাসকো কাউন্টি, ワスコ郡, 沃斯科縣

Oregon Other Counties (more counties)

County Name Population Title
Multnomah County 815,637 County in Oregon, United States
Portland 656,751 The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area.
Washington County 603,514 County in Oregon, United States
Clackamas County 421,596 County in Oregon, United States
Lane County 382,986 County in Oregon, United States
Marion County 349,204 County in Oregon, United States
Jackson County 221,844 County in Oregon, United States
Deschutes County 201,769 County in Oregon, United States
Salem 175,891 The capital of Oregon.
Eugene 173,236 The second most populous city in Oregon.
Linn County 131,054 County in Oregon, United States
Terrebonne 117,664 Census-designated place in Deschutes County, Oregon
Douglas County 111,364 County in Oregon, United States
Hillsboro 110,985 The most populous city in Washington County, Oregon.
Gresham 110,031 The second most populous city in Multnomah County, Oregon.
Yamhill County 107,664 County in Oregon, United States