Martin County, Texas Demographics 2026

Population Overview

Martin County is located in Texas with a total population of 5,230. It is the 200th most populous county out of 254 in Texas.

Age Demographics

The median age in Martin County is 37.2 years. This is 5% higher than the state median of 35.5 years. With 29.4% of the population under 18, Martin County has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Martin County is $77,083. This is 1% higher than the state median of $76,292. Compared to the national median of $78,538, household income here is 2% lower. The poverty rate stands at 8.1%. This is 41% lower than the state poverty rate of 13.8%. The unemployment rate is 6.3%. This is 23% higher than the state rate of 5.1%. The median home value is $162,200. Housing costs are 38% lower than the state median of $260,400. With a home-value-to-income ratio of just 2.1x, Martin County is one of the most affordable housing markets in the area. 67.0% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in Martin County is White (non-Hispanic), making up 48.0% of the population. Hispanic or Latino residents account for 45.6%. The Black or African American population (1.2%) is well below the state average of 11.9%.

Education

17.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% lower than the state rate of 33.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 83.8%.