Primary
Democratic Primary
Held March 3, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Henry Cuellar ✓ | 39,228 | 58.1% | |
| Ricardo Villarreal | 24,968 | 37.0% | |
| Andrew Vantine | 3,375 | 5.0% |
Republican Primary
Held March 3, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Tano Tijerina ✓ | 12,514 | 74.3% | |
| Eileen Day | 4,319 | 25.7% |
Full calendar and every race: Texas primary guide
Race Overview
General Election Polling Trend
PollingSource average — trailing average of all polls from the last 30 days.
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Candidates
Henry Cuellar Nominee Incumbent
DemocratGeneral Election Polling Average
Average reflects all polls from the last 30 days; table shows the most recent 30 days or the newest 3 polls, whichever is more. How accurate is each pollster? →
| Pollster | Date | Sample | MoE | Dem | Rep |
|---|---|---|---|---|---|
| Public Policy Research/Texas Southern University | 2026-08-22 | 600 LV | ±4.00 | Henry Cuellar 45.00% | Tano Tijerina 34.00% |
| Pulse Science Decision (R) partisan·R | 2026-06-23 | 400 LV | ±4.90 | Henry Cuellar 38.00% | Tano Tijerina 46.00% |
Questions About This Race
Who is winning the 2026 TX-28 House race?
Henry Cuellar leads Tano Tijerina 45% to 34% in the PollingSource polling average — a D+11.0 margin based on 1 poll from the last 30 days.
Is the 2026 TX-28 House race competitive?
Yes — the PollingSource polling average rates this race a Toss-up, the most competitive category.
What does the latest poll of the 2026 TX-28 House race say?
The most recent public poll, from Public Policy Research/Texas Southern University (completed August 22, 2026), found Henry Cuellar (D) at 45% and Tano Tijerina (R) at 34%.
When is the 2026 TX-28 House race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 30 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
Independent Expenditures Updated 5 hours ago
Top Spenders
- J STREET ACTION FUND Dem-aligned $39,386
- NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE Dem-aligned $10,387
Full outside-spending research — every committee, every race →
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