99chambers

U.S. House seat · lines in effect since 2026

Texas's 31st District

A district of about 843,000 people, 24% Hispanic, 35% of adults with a bachelor's degree. It votes R+20.4 relative to the nation for president.

John R. Carter (R) · since Jan 7, 2003Next election Nov 7, 2028The 2026 race →
TX-31

Source: 2026 results: Texas Secretary of State; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+20.4318th most
Democratic
Most DemocraticMost Republican218th seat · the majority line371830332920716283435231524329538171021TX-3127222531262624143681113119

Labels below the bar mark 37 other seats in Texas.

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2026
U.S. HouseR+8.9

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Texas Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 435 seats. Small marks are other seats in Texas. The black marker is TX-31.

Adults with a bachelor's degree35% 54th pct · 14th of 38 in TX

Higher than 54% of seats.

White adults without a degree35% 43rd pct · 7th of 38 in TX

Lower than 57% of seats.

Hispanic residents24% 73rd pct · 32nd of 38 in TX

Higher than 73% of seats.

Black residents13% 69th pct · 13th of 38 in TX

Higher than 69% of seats.

Asian residents5% 62nd pct · 19th of 38 in TX

Higher than 62% of seats.

People per square mile144 32nd pct · 24th of 38 in TX

Less dense than 68% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean.

TX-17
25% Hispanic · 35% college gradsR+20.3Held RTX-14
25% Hispanic · 32% college gradsR+23.8Held RTX-36
28% Hispanic · 29% college gradsR+24.0Held RTX-6
33% Hispanic · 31% college gradsR+22.6Held R

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2026.

  1. John Carter (R)
    2027– · Won 2026 by 8.9

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)