Washington County, Colorado Demographics 2026

Population Overview

Washington County is located in Colorado with a total population of 4,831. It is the 53rd most populous county out of 64 in Colorado. The county encompasses 3 Census-designated places.

Age Demographics

The median age in Washington County is 41.3 years. This is 10% higher than the state median of 37.7 years.

Economy, Income & Housing

The median household income in Washington County is $67,167. This is 30% lower than the state median of $95,470. It is also 17% lower than the national median of $80,734. The poverty rate stands at 8.1%. This is 14% lower than the state poverty rate of 9.4%. The unemployment rate is 3.1%. This is 33% lower than the state rate of 4.6%. The median home value is $226,200. Housing costs are 58% lower than the state median of $539,400. The home-value-to-income ratio is 3.4x. 73.6% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 66.2%.

Race & Ethnicity

The largest racial or ethnic group in Washington County is White (non-Hispanic), making up 83.3% of the population. Hispanic or Latino residents account for 11.8%. The Black or African American population (1.1%) is well below the state average of 3.8%. The Asian population (0.6%) is well below the state average of 3.2%.

Education

24.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% lower than the state rate of 45.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.9%.

Data Sources & Methodology

All figures for Washington County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Colorado and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.