Rockwall County, Texas Demographics 2026

Population Overview

Rockwall County is located in Texas with a total population of 116,931. It is the 39th most populous county out of 254 in Texas. The county encompasses 3 Census-designated places.

Age Demographics

The median age in Rockwall County is 37.6 years. This is 6% higher than the state median of 35.5 years.

Economy, Income & Housing

The median household income in Rockwall County is $124,917. This is 64% higher than the state median of $76,292. It is also 59% higher than the national median of $78,538. The poverty rate stands at 4.3%. This is 69% lower than the state poverty rate of 13.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.0%. This is 21% lower than the state rate of 5.1%. The median home value is $386,000. Housing costs are 48% higher than the state median of $260,400. The home-value-to-income ratio is 3.1x. 82.6% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in Rockwall County is White (non-Hispanic), making up 64.9% of the population. Hispanic or Latino residents account for 20.2%. The White (non-Hispanic) population is significantly higher than the state average (64.9% vs 39.9%).

Education

44.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Rockwall County in the top 10% of all counties in the state for educational attainment. This is 33% 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 94.2%. Notably, 16.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Rockwall 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.