CalledUnofficial results
Texas's 13th District
U.S. House · Texas
Ronny Jackson won re-election by 30.5 points over Mark Nair.
Ronny JacksonRepublican · winner · incumbent
65.3%158,134
Mark NairDemocrat
34.7%84,197
242,331 votes
Source: Texas Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:22 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Mark NairRonny Jackson
$137.6K
Raised by the campaign
$4.8M
$134.8K
Spent by the campaign
$2.8M
$2.8K
Cash on hand
$5.4M
Campaign money: FEC, through Oct 14, 2026.
Source: FEC campaign filingsUpdated Oct 14, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Mark Nair
- <1%
- Ronny Jackson
- >99%
- Projected margin
- R+37.2