How many people live in Whitman County, WA?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 48,400 people living in Whitman County, WA. That makes Whitman County the 23rd-most populous county in Washington. It is home to 0.6% of people living in the state.
48.4K
population of Whitman County, WA (2024)
0.6%
County share of the Washington population (2024)
About 48,400 people lived in Whitman County, WA in 2024.
Population estimates, 2000–2024
What are Whitman County, WA’s age demographics?
About 5,900 Whitman County, WA residents are aged 65 and older in 2024. That represents 12.2% of its population. For comparison, the age group represents 17.4% of Washington’s population and 18% in the US overall.
Another 7,600 Whitman County residents, or 15.6% of the population, were children under 18. For comparison, the age group represents 20.9% of Washington’s population and 21.6% in the US overall.
A higher share of Whitman County, WA's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Whitman County, WA’s racial and ethnic demographics?
Non-Hispanic white residents make up 75.7% of the Whitman County, WA population, higher than the national share of 57.5%. Whitman County, WA also has a larger share of people identifying as non-Hispanic Asian (8.4%) than the US overall (6.5%).
In contrast, Whitman County’s Hispanic population accounts for 8.1%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 2.4% of the county, compared with 12.6% 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.
Whitman County, WA has a higher share of a non-Hispanic white population than Washington as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Whitman County, WA is Pullman with about 33,500 residents in 2024.
Cities and towns in Whitman County, WA ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Pullman | 33,543 |
| 2. | Colfax | 2,692 |
| 3. | Palouse | 1,029 |
| 4. | Tekoa | 809 |
| 5. | St. John | 590 |
| 6. | Rosalia | 578 |
| 7. | Albion | 547 |
| 8. | Garfield | 543 |
| 9. | Colton | 401 |
| 10. | Uniontown | 396 |
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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.
