Texas' 3rd Congressional District
Texas · TX-03
Texas' 3rd Congressional District is one of 38 U.S. House districts in Texas, represented in Congress by Keith Self (Republican). It is home to roughly 810,820 people, with a median age of 36.9. The population is about 55% White. The median household income is $99,986, and 42% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted solidly Republican (R+20).
Representative
Current U.S. House member (source: house.gov).
Geography
TX-03 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 3,381 square miles, TX-03 is the 189th-largest of the 435 congressional districts by land area. With about 240 residents per square mile, it is a mix of small cities, suburbs and countryside. Its shape is fairly compact: the district's Polsby-Popper score of 0.34 ranks 130th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 39% of TX-03 voters backed Kamala Harris and 59% Donald Trump — a R+20 margin. That is a 6.0-point shift toward the Republicans from 2020, when the district voted R+14.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 36.9 years old; 26.2% of residents are under 18 and 12.1% are 65 or older. About 17.5% of residents were born outside the United States, and 26.4% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $99,986, the district's median household income ranks 71st of 435 districts nationwide. The typical owner-occupied home is worth $369,841, and the median rent is $1,653 a month. 7.9% of residents live below the poverty line, and workers average a 30.7-minute commute (19.1% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).