99chambers

Texas House of Representatives seat · lines in effect since 2022

Texas House District 21

A district of about 184,000 people, 22% of adults with a bachelor's degree. It votes R+57.8 relative to the nation for president.

Dade Phelan (R) · since Nov 4, 2014Next election Nov 7, 2028The 2026 race →

Where it sits among all 150 seats

Every Texas House of Representatives 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+57.8140th most
Democratic
Most DemocraticMost Republican76th seat · the majority lineDistrict 21

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 House of RepresentativesR+45.0

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 150 seats. Small marks are other seats in Texas. The black marker is District 21.

Adults with a bachelor's degree22% 28th pct · 108th of 150 in TX

Lower than 72% of seats.

White adults without a degree58% 99th pct · 2nd of 150 in TX

Higher than 99% of seats.

Hispanic residents12% 1st pct · 148th of 150 in TX

Lower than 99% of seats.

Black residents11% 56th pct · 66th of 150 in TX

Higher than 56% of seats.

Asian residents2% 34th pct · 99th of 150 in TX

Lower than 66% of seats.

People per square mile82 19th pct · 121st of 150 in TX

Less dense than 81% 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.

District 62
23% college gradsR+57.3Held RDistrict 2
22% college gradsR+62.2Held RDistrict 5
20% HispanicR+64.2Held RDistrict 9
TexasR+56.8Held 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. Ray Callas (R)
    2027– · Won 2026 by 45.0
  2. Dade Phelan (R)
    2023–2027 · Won 2022 unopposed, 2024 unopposed

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