Whitman County, Washington
Located in Washington, Whitman County has a population of 47,003 residents and a median age of 26.4 years, making it the #1,059 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 22.7%. The median home value is $359,600, and the median household income is $55,406, which is 26% below the national median.
Demographics
Whitman County has a population of 47,003, making it the #1,059 most populous county in the US. The median age is 26.4 years, which is 32.1% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Whitman County is $55,406, ranking #2,442 out of 3,222 counties — 26.3% below the national median. The poverty rate is 22.7% and unemployment stands at 6.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Whitman County is $359,600 (+27.6% vs national). Renters pay a median of $1,049/mo and the homeownership rate is 46.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Whitman County, 49.8% of adults age 25+ hold a bachelor's degree or higher, which is 47.7% above the national average, ranking #101 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Whitman County is 78.1 years. 18.6% of adults report poor or fair health and 6.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.7% of adults in Whitman County smoke , 31.2% are obese , and 20.1% report excessive drinking. The drug overdose death rate is 11.0 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 16.3 per 100,000. Motor vehicle deaths occur at a rate of 5.5 per 100,000.
Suicide Rate Trend
Families & Children
15.1% of children in Whitman County live in poverty . The teen birth rate is 2.6 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Whitman County is 54.6%. The mean commute time is 18.6 min, which is 32.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Whitman County voted Democratic with a margin of 9.0%. The vote was 52.8% Dem / 43.8% Rep. Compared to 2020, the margin shifted 1.0 toward Republicans .
Vote Share Over Time
About Whitman County, Washington
Whitman County, Washington has a total population of 47,003, making it the 1,059th most populous county in the United States. The median age in Whitman County is 26.4 years, which is 32.1% below the national median of 38.9 years.
The median household income in Whitman County is $55,406, which ranks #2,442 of 3,222 counties nationwide. This is 26.3% below the national median of $75,149. The poverty rate is 22.7%, higher than the national rate of 12.6%. The unemployment rate stands at 6.9%.
The median home value in Whitman County is $359,600, 27.6% above the national median. Renters in Whitman County pay a median gross rent of $1,049 per month. The homeownership rate is 46.8%, compared to the national rate of 64.4%.
In Whitman County, 49.8% of residents aged 25 and older hold a bachelor's degree or higher, 47.7% above the national average of 33.7%. Health insurance coverage stands at 94.5% of the population. The average commute time for workers is 18.6 min.
Whitman County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 73.5% of the population, followed by Two or More Races (8.6%) and Hispanic or Latino (8.1%).
All data for Whitman County, Washington comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.