Kittitas County, Washington Demographics 2026

Population Overview

Kittitas County is located in Washington with a total population of 44,736. It is the 24th most populous county out of 39 in Washington.

Age Demographics

The median age in Kittitas County is 37.9 years. This is about average than the state median of 38.2 years.

Economy, Income & Housing

The median household income in Kittitas County is $69,928. This is 26% lower than the state median of $94,952. Compared to the national median of $78,538, household income here is 11% lower. The poverty rate stands at 14.3%. This is 44% higher than the state poverty rate of 9.9%. The unemployment rate is 5.1%. This is 3% higher than the state rate of 5.0%. The median home value is $459,900. Housing costs are 12% lower than the state median of $519,800. The home-value-to-income ratio of 6.6x suggests that housing affordability is a significant concern for many residents. 62.4% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Kittitas County is White (non-Hispanic), making up 79.8% of the population. Hispanic or Latino residents account for 10.3%. The Black or African American population (1.0%) is well below the state average of 3.8%. The Asian population (1.8%) is well below the state average of 9.3%.

Education

35.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 9% 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 93.1%.