Walla Walla County, Washington Demographics 2026

Population Overview

Walla Walla County is located in Washington with a total population of 62,102. It is the 21st most populous county out of 39 in Washington.

Age Demographics

The median age in Walla Walla County is 38.3 years. This is about average than the state median of 38.2 years.

Economy, Income & Housing

The median household income in Walla Walla County is $72,212. This is 24% lower than the state median of $94,952. Compared to the national median of $78,538, household income here is 8% lower. The poverty rate stands at 11.7%. This is 18% higher than the state poverty rate of 9.9%. The unemployment rate is 5.7%. This is 14% higher than the state rate of 5.0%. The median home value is $375,600. Housing costs are 28% lower than the state median of $519,800. The home-value-to-income ratio is 5.2x. 65.9% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Walla Walla County is White (non-Hispanic), making up 68.4% of the population. Hispanic or Latino residents account for 23.4%. The Black or African American population (1.7%) is well below the state average of 3.8%. The Hispanic or Latino population is significantly higher than the state average (23.4% vs 14.1%). The Asian population (1.9%) is well below the state average of 9.3%.

Education

30.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% lower than the state rate of 38.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.2%.