Wasco County, Oregon
Wasco County: county in Oregon, United States
About
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 172 years ago in 1853.
County Snapshot
Wasco County at a glance
Wasco County currently has 7 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
7
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Oregon counties
36
Open related pagesLargest city
The DallesPopulation 15,581
Top linked places
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% |
| Latitude & Longitude | 45.1601,-121.1682 |
| 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 | 01:56:03 (19th April 2026) |
| Density | 4 Pop. per km² as of 2020 |
| Population growth | 4.51% (2010-2020) |
Geography
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
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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 |
Official website of Wasco County
Official Website- The Dalles
Demographics
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 |
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 |