Kittitas County, Washington
Located in Washington, Kittitas County has a population of 47,172 residents and a median age of 35.8 years, making it the #1,056 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.4%. The median home value is $497,400, and the median household income is $73,804, which is 2% below the national median.
Demographics
Kittitas County has a population of 47,172, making it the #1,056 most populous county in the US. The median age is 35.8 years, which is 8.0% 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 Kittitas County is $73,804, ranking #929 out of 3,222 counties — 1.8% below the national median. The poverty rate is 14.4% and unemployment stands at 6.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Kittitas County is $497,400 (+76.4% vs national). Renters pay a median of $1,341/mo and the homeownership rate is 61.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Kittitas County, 37.0% of adults age 25+ hold a bachelor's degree or higher, which is 9.8% above the national average, ranking #379 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Kittitas County is 79.8 years. 15.9% of adults report poor or fair health and 8.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
12.3% of adults in Kittitas County smoke , 31.0% are obese , and 20.3% report excessive drinking. The drug overdose death rate is 19.3 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 15.0 per 100,000. Motor vehicle deaths occur at a rate of 10.7 per 100,000.
Suicide Rate Trend
Families & Children
12.6% of children in Kittitas County live in poverty . The teen birth rate is 5.5 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Kittitas County is 69.3%. The mean commute time is 25.6 min, which is 7.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Kittitas County voted Republican with a margin of 14.6%. The vote was 41.1% Dem / 55.7% Rep. Compared to 2020, the margin shifted 4.4 toward Republicans .
Vote Share Over Time
About Kittitas County, Washington
Kittitas County, Washington has a total population of 47,172, making it the 1,056th most populous county in the United States. The median age in Kittitas County is 35.8 years, which is 8.0% below the national median of 38.9 years.
The median household income in Kittitas County is $73,804, which ranks #929 of 3,222 counties nationwide. This is 1.8% below the national median of $75,149. The poverty rate is 14.4%, higher than the national rate of 12.6%. The unemployment rate stands at 6.3%.
The median home value in Kittitas County is $497,400, 76.4% above the national median. Renters in Kittitas County pay a median gross rent of $1,341 per month. The homeownership rate is 61.5%, compared to the national rate of 64.4%.
In Kittitas County, 37.0% of residents aged 25 and older hold a bachelor's degree or higher, 9.8% above the national average of 33.7%. Health insurance coverage stands at 94.2% of the population. The average commute time for workers is 25.6 min.
Kittitas County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 79.3% of the population, followed by Hispanic or Latino (10.5%) and Two or More Races (6.1%).
All data for Kittitas 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.