Douglas County, Colorado Demographics 2026

Population Overview

Douglas County is located in Colorado with a total population of 368,283. It is the 6th most populous county out of 64 in Colorado.

Age Demographics

The median age in Douglas County is 39.5 years. This is 5% higher than the state median of 37.5 years.

Economy, Income & Housing

The median household income in Douglas County is $145,737. This is 58% higher than the state median of $92,470. Compared to the national median of $78,538, household income here is 86% higher. The poverty rate stands at 3.2%. This is 66% lower than the state poverty rate of 9.4%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.5%. This is 21% lower than the state rate of 4.5%. The median home value is $674,000. Housing costs are 34% higher than the state median of $502,200. The home-value-to-income ratio is 4.6x. 77.8% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 66.3%.

Race & Ethnicity

The largest racial or ethnic group in Douglas County is White (non-Hispanic), making up 78.3% of the population. Hispanic or Latino residents account for 9.9%. The Black or African American population (1.3%) is well below the state average of 3.8%. The Hispanic or Latino population (9.9%) is well below the state average of 22.2%. The Asian population is significantly higher than the state average (5.5% vs 3.2%).

Education

60.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Douglas County in the top 10% of all cities in the state for educational attainment. This is 36% higher than the state rate of 44.7%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.0%. Notably, 22.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.