Union County, New Mexico Demographics 2026

Population Overview

Union County is located in New Mexico with a total population of 4,039. It is the 30th most populous county out of 33 in New Mexico.

Age Demographics

The median age in Union County is 40.3 years. This is 3% higher than the state median of 39.2 years.

Economy, Income & Housing

The median household income in Union County is $45,319. This is 27% lower than the state median of $62,125. Compared to the national median of $78,538, household income here is 42% lower. The poverty rate stands at 19.5%. This is 8% higher than the state poverty rate of 18.1%. The unemployment rate is 6.6%. This is 10% higher than the state rate of 6.0%. The median home value is $135,900. Housing costs are 41% lower than the state median of $232,200. The home-value-to-income ratio is 3.0x. 68.2% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 69.3%.

Race & Ethnicity

The largest racial or ethnic group in Union County is White (non-Hispanic), making up 54.0% of the population. Hispanic or Latino residents account for 39.7%. The Black or African American population (0.8%) is well below the state average of 1.8%.

Education

18.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% lower than the state rate of 30.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.9%.