Alamosa County, Colorado Demographics 2026

Population Overview

Alamosa County is located in Colorado with a total population of 16,515. It is the 31st most populous county out of 64 in Colorado.

Age Demographics

The median age in Alamosa County is 33.1 years. This is 12% lower than the state median of 37.5 years.

Economy, Income & Housing

The median household income in Alamosa County is $51,445. This is 44% lower than the state median of $92,470. Compared to the national median of $78,538, household income here is 34% lower. The poverty rate stands at 18.2%. This is 94% higher than the state poverty rate of 9.4%. The unemployment rate is 2.5%. This is 44% lower than the state rate of 4.5%. The median home value is $218,800. Housing costs are 56% lower than the state median of $502,200. The home-value-to-income ratio is 4.3x. 56.4% of occupied housing units are owner-occupied. This homeownership rate is 15% lower than the state average of 66.3%.

Race & Ethnicity

The largest racial or ethnic group in Alamosa County is Hispanic or Latino, making up 47.8% of the population. White (non-Hispanic) residents account for 45.8%. 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 (47.8% vs 22.2%). The Asian population (0.4%) is well below the state average of 3.2%.

Education

29.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% lower 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 89.1%.