Knox County, Texas Demographics 2026

Population Overview

Knox County is located in Texas with a total population of 3,322. It is the 213th most populous county out of 254 in Texas. The county encompasses 4 Census-designated places.

Age Demographics

The median age in Knox County is 40.5 years. This is 14% higher than the state median of 35.5 years.

Economy, Income & Housing

The median household income in Knox County is $56,304. This is 26% lower than the state median of $76,292. It is also 28% lower than the national median of $78,538. The poverty rate stands at 11.4%. This is 18% lower than the state poverty rate of 13.8%. The unemployment rate is 1.3%. This is 75% lower than the state rate of 5.1%. The median home value is $66,800. Housing costs are 74% lower than the state median of $260,400. With a home-value-to-income ratio of just 1.2x, Knox County is one of the most affordable housing markets in the area. 78.1% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in Knox County is White (non-Hispanic), making up 57.1% of the population. Hispanic or Latino residents account for 33.8%. The Black or African American population (3.0%) is well below the state average of 11.9%. The Asian population (1.8%) is well below the state average of 5.3%.

Education

15.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% 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 85.2%.

Data Sources & Methodology

All figures for Knox 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.