119th Congress · TX-21
Texas's 21st Congressional District
Texas's 21st Congressional District (TX-21) has a population of 793,549. The median household income is $91,642 and the median age is 40.6.
793,549
Population
126
People / sq mi
$91,642
Median Income
40.6
Median Age
TX-21 covers 6,297 sq mi of land at 126.0 people per square mile.
Race & Ethnicity
| White | 70.1% |
| Black or African American | 3.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.3% |
Economy & Income
$91,642
Median Household Income
$51,250
Per Capita Income
5.2%
Poverty Rate
2.6%
Unemployment
Housing
$383,600
Median Home Value
$1,412
Median Rent
68.6%
Homeownership
Education
94.2%
High School+
45.8%
Bachelor's+
Other Texas Congressional Districts
Largest cities in Texas
Largest counties in Texas
State rankings
Frequently Asked Questions
Texas's 21st Congressional District (TX-21) has a population of 793,549 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).
The median household income in Texas's 21st Congressional District is $91,642, with a per capita income of $51,250.
Texas's 21st Congressional District is 70.1% White, 3.5% Black, 0.0% Asian, and 2.3% Hispanic or Latino, per Census ACS data.
More from Texas
Data for Texas's 21st Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.