99chambers

Texas State Senate seat · lines in effect since 2022

Texas Senate District 31

A district of about 909,000 people, 46% Hispanic, 23% of adults with a bachelor's degree. It votes R+61.2 relative to the nation for president.

Kevin Sparks (R) · since Nov 8, 2022Next election Nov 5, 2030The 2026 race →

Where it sits among all 31 seats

Every Texas State Senate 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+61.231st most
Democratic
Most DemocraticMost Republican16th seat · the majority lineDistrict 31

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
Texas State SenateR+46.3

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 31 seats. Small marks are other seats in Texas. The black marker is District 31.

Adults with a bachelor's degree23% 10th pct · 28th of 31 in TX

Lower than 90% of seats.

White adults without a degree35% 80th pct · 7th of 31 in TX

Higher than 80% of seats.

Hispanic residents46% 73rd pct · 9th of 31 in TX

Higher than 73% of seats.

Black residents5% 17th pct · 26th of 31 in TX

Lower than 83% of seats.

Asian residents2% 23rd pct · 24th of 31 in TX

Lower than 77% of seats.

People per square mile20 0th pct · 31st of 31 in TX

Least dense of 31 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.

District 28
34% Hispanic · 26% college gradsR+51.0Held RDistrict 1
23% college gradsR+53.2Held RDistrict 3
TexasR+51.7Held RDistrict 4
30% Hispanic · 34% college gradsR+33.6Held 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 2022.

  1. Kevin Sparks (R)
    2023– · Won 2022 unopposed, 2026 by 46.3

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