How many people live in Wasco County, OR?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 26,500 people living in Wasco County, OR. That makes Wasco County the 23rd-most populous county in Oregon. It is home to 0.62% of people living in the state.
26.5K
population of Wasco County, OR (2024)
0.62%
County share of the Oregon population (2024)
About 26,500 people lived in Wasco County, OR in 2024.
Population estimates, 2000–2024
What are Wasco County, OR’s age demographics?
About 5,900 Wasco County residents are aged 65 and older in 2024. That represents 22.1% of its population. For comparison, the age group represents 19.9% of Oregon’s population and 18% in the US overall.
Another 5,600 Wasco County, OR residents, or 21.1% of the population, were children under 18. For comparison, the age group represents 19.3% of Oregon’s population and 21.6% in the US overall.
A higher share of Wasco County, OR's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Wasco County, OR’s racial and ethnic demographics?
Non-Hispanic white residents make up 70.4% of the Wasco County, OR population, higher than the national share of 57.5%. Wasco County, OR also has a larger share of people identifying as Hispanic (22.3%) than the US overall (20%).
In contrast, Wasco County’s non-Hispanic Black or African American population accounts for 0.61%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 1.1% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Wasco County, OR has a higher share of a Hispanic population than Oregon as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Wasco County, OR is The Dalles with about 15,900 residents in 2024.
Cities and towns in Wasco County, OR ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | The Dalles | 15,884 |
| 2. | Dufur | 637 |
| 3. | Mosier | 466 |
| 4. | Maupin | 421 |
| 5. | Antelope | 38 |
| 6. | Shaniko | 33 |
| 7. | Balance of Wasco County | 9,028 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
