Castro County, Texas Demographics 2026

Population Overview

Castro County is located in Texas with a total population of 7,328. It is the 182nd most populous county out of 254 in Texas.

Age Demographics

The median age in Castro County is 34.9 years. This is 2% lower than the state median of 35.5 years. With 28.9% of the population under 18, Castro County has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Castro County is $63,485. This is 17% lower than the state median of $76,292. Compared to the national median of $78,538, household income here is 19% lower. The poverty rate stands at 14.0%. This is 1% higher than the state poverty rate of 13.8%. The unemployment rate is 2.6%. This is 48% lower than the state rate of 5.1%. The median home value is $94,900. Housing costs are 64% lower than the state median of $260,400. With a home-value-to-income ratio of just 1.5x, Castro County is one of the most affordable housing markets in the area. 69.2% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in Castro County is Hispanic or Latino, making up 65.3% of the population. White (non-Hispanic) residents account for 30.0%. The Black or African American population (1.2%) is well below the state average of 11.9%. The Hispanic or Latino population is significantly higher than the state average (65.3% vs 39.5%). The Asian population (1.2%) is well below the state average of 5.3%.

Education

21.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% 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 76.3%.