Mills County, Texas Demographics 2026

Population Overview

Mills County is located in Texas with a total population of 4,499. It is the 206th most populous county out of 254 in Texas. The county encompasses 3 Census-designated places.

Age Demographics

The median age in Mills County is 52.2 years. This is 47% higher than the state median of 35.5 years. 14.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Mills County is $64,494. This is 15% lower than the state median of $76,292. It is also 18% lower than the national median of $78,538. The poverty rate stands at 7.7%. This is 44% lower than the state poverty rate of 13.8%. The unemployment rate is 3.9%. This is 24% lower than the state rate of 5.1%. The median home value is $200,200. Housing costs are 23% lower than the state median of $260,400. The home-value-to-income ratio is 3.1x. 84.5% of occupied housing units are owner-occupied. This homeownership rate is 35% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in Mills County is White (non-Hispanic), making up 75.9% of the population. Hispanic or Latino residents account for 18.9%. The White (non-Hispanic) population is significantly higher than the state average (75.9% vs 39.9%). The Black or African American population (0.6%) is well below the state average of 11.9%. The Hispanic or Latino population (18.9%) is well below the state average of 39.5%. The Asian population (0.3%) is well below the state average of 5.3%.

Education

28.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% 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 89.5%.

Data Sources & Methodology

All figures for Mills County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Texas and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.