Texas / TX-03
Texas District 3
Score
Irregularity score 61 IrregularLess compact than 65% of other congressional districts.
151st least compact of 429 nationally, 20th of 38 in Texas.
A score describes shape, not intent. Coastlines, rivers and the Voting Rights Act can all make a district irregular. How scores work
The three measures
- Polsby-Popper
- 0.24at least as compact as 49% of districts on this measure
Area compared with perimeter. Low for jagged or snaking edges.
- Reock
- 0.29at least as compact as 10% of districts on this measure
Area compared with the smallest circle around the district, counting only land. Low for stretched shapes.
- Convex hull
- 0.81at least as compact as 60% of districts on this measure
Area compared with a rubber band stretched around the district, counting only land. Low for bites and tentacles.
Each measure runs from 0 to 1, where 1 is a perfect circle or a shape with no dents.
New lines for 2026
Texas used a different map in the 2026 election than in 2024: the 2025 enacted plan (HB 4 / PLANC2333). Source: Texas Legislature Online
Cities and towns
The largest places with people in this district, from the 2020 Census. A place split between districts shows how many of its residents live in this one.
- McKinney cityall 195,308 residents
- Allen cityall 104,627 residents
- Plano city75,773 of its 285,494 residents
- Wylie city54,658 of its 57,526 residents
- Greenville cityall 28,164 residents
- Murphy cityall 21,013 residents
- Princeton cityall 17,027 residents
- Anna cityall 16,896 residents
- Mount Pleasant cityall 16,047 residents
- Sulphur Springs cityall 15,941 residents
And 39 smaller places. 16% of this district's people live outside any city, town or named community. How places are counted
ZIP codes
66 ZIP codes have residents in this district. 33 of them are split with other districts. A percentage is the share of that ZIP code's 2020 residents who live here.
Show all 66 ZIP codes
- 75002
- 75009 (8%)
- 75013
- 75023 (16%)
- 75025 (24%)
- 75048 (36%)
- 75069
- 75070
- 75071 (99%)
- 75072 (99%)
- 75074
- 75087 (1%)
- 75094
- 75098 (93%)
- 75135 (86%)
- 75164
- 75166
- 75173
- 75189 (21%)
- 75401
- 75402 (88%)
- 75407
- 75409
- 75415
- 75420 (99%)
- 75422
- 75423 (98%)
- 75424 (93%)
- 75428
- 75429
- 75431 (86%)
- 75432
- 75433
- 75437
- 75440 (1%)
- 75441
- 75442
- 75448
- 75449 (18%)
- 75450
- 75452 (11%)
- 75453 (36%)
- 75454
- 75455
- 75457
- 75469 (97%)
- 75471 (96%)
- 75472 (1%)
- 75478
- 75480 (97%)
- 75481
- 75482
- 75487
- 75491 (1%)
- 75493
- 75494 (24%)
- 75495 (4%)
- 75496 (86%)
- 75497 (11%)
- 75558
- 75568 (72%)
- 75571
- 75638 (99%)
- 75656 (9%)
- 75668 (90%)
- 75686 (8%)
These are the Census Bureau's ZIP code areas, which match residential ZIP codes closely. ZIP codes used only for PO boxes or a single organization aren't included. How ZIP codes are matched
2024 presidential vote
Shares of the votes for the two of them; other candidates are left out. Texas published 2024 results on its 2026 lines, and these are its figures. Where the votes come from
U.S. House
Keith Self, Republican
Elected November 3, 2026, takes office January 3, 2027.
Unofficial results from the Texas Secretary of State, checked November 6, 2026. A race shows a winner once news decision desks have called it. Results become official when the state certifies them. Where this comes from
Texas's senators
- John Cornyn, RepublicanSeat on the November 3, 2026 ballot: James Talarico, Democrat, won and takes office January 3, 2027.
- Ted Cruz, Republican
Senators are elected by the whole state, so district lines don't change who they are. Senators serving as of November 6, 2026. Senators elected in November 2026 take office January 3, 2027. Where this comes from
Where it sits in Texas
- Very compact (0 to 19)
- Compact (20 to 39)
- Middle (40 to 59)
- Irregular (60 to 79)
- Very irregular (80 to 100)
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