Primary
Republican Primary
Held June 2, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Marty Jackley ✓ | 103,290 | 79.2% | |
| James Bialota Jr. | 27,140 | 20.8% |
Full calendar and every race: South Dakota primary guide
Race Overview
The primary has been held. The general pairing is not locked yet. The PollingSource average is an average of those polls, not a forecast.
Candidates
LV = likely voters · RV = registered voters · ± = margin of error · R-sponsored / D-sponsored / I-sponsored = paid for by a Republican, Democratic, or Independent group · "missed 2024 by X pts" = that firm's average miss in 2024
Average is the unweighted mean of the last three scientific public polls. Fewer than three uses the polls that exist. The rating uses that average when the newest poll ended in the last 30 days. The table lists the polls in that average, plus the most recent 30 days or the newest 3 polls, whichever is more. How accurate is each pollster? →
No polls in the last 90 days.
Questions About This Race
Who is winning the 2026 SD-AL House race?
The primary has been held and the general pairing is not locked yet. There is no PollingSource average for a locked general pairing yet.
Is the 2026 SD-AL House race competitive?
No — the expert consensus rates it Safe R for Republicans.
When is the 2026 SD-AL House race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of the last three scientific public polls, or fewer when fewer exist. One poll sets the rating when it ended in the last 30 days. We do not exclude pollsters. The table lists recent polls, including ones older than those three. Full details: pollingsource.com/methodology.
Race Notes
[20260806: open-seat flag — incumbent retiring or seeking other office]
Race News
No news coverage yet for this race.
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