King County, Texas Demographics 2026

Population Overview

King County is located in Texas with a total population of 189. It is the 252nd most populous county out of 254 in Texas. The county encompasses 1 Census-designated place.

Age Demographics

The median age in King County is 49.1 years. This is 38% higher than the state median of 35.5 years.

Economy, Income & Housing

The median household income in King County is $70,192. This is 8% lower than the state median of $76,292. It is also 11% lower than the national median of $78,538. The poverty rate stands at 15.3%. This is 11% higher than the state poverty rate of 13.8%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 5.1%. 42.2% of occupied housing units are owner-occupied. This homeownership rate is 33% lower than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in King County is White (non-Hispanic), making up 67.2% of the population. Hispanic or Latino residents account for 25.9%. The White (non-Hispanic) population is significantly higher than the state average (67.2% vs 39.9%).

Education

36.4% of residents aged 25 and older hold a bachelor's degree or higher. This places King County in the top 10% of all counties in the state for educational attainment. This is 10% higher 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 79.9%.

Data Sources & Methodology

All figures for King 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.