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Races · Governor · 2024 · North Dakota
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Governor · open seat

Merrill Piepkorn vs Kelly Armstrong

Safe RR +38.2 forecast· 2 polls · 0 markets
Model's final pre-election call · win probabilitypoliagg-v34 · final pre-election call
1% Piepkorn (D)
99% Armstrong (R)
R+15R+5TIEDD+5D+15
Model's predicted final margin R +38.2 · 80% CI R+50.2 → R+26.2
Actual result Kelly Armstrong Michelle Strinden +42.3 · backtest (race already called)
Momentum
insufficient data
Tipping-point P
0.0%
Decisive for chamber control
Market · D-side
Cross-platform consensus
News articles · 30d
no recent coverage
Where this race stands
Verified

Safe R · model 99% R

No recent polls or markets for this race. PVI baseline (R+20) suggests Safe R.

The poliagg-v34 ensemble forecasts R+38.2 with an 80% CI ranging from R+50.2 (10th pctile) to R+26.2 (90th pctile), giving R a 99% chance of winning.

CITATIONS · safe-r
Forecast · poliagg-v34
Predicted final margin
R +38.2
80% CI: R +50.2R +26.2 · win prob 1%
R+60R+30TIEDD+30D+60
Quality · inputs
Data quality · medium
Polls used2
Days to electionpassed
Actual resultKelly Armstrong Michelle Strinden +42.3
Residual σ6.00pt
Generated7/1/2026

Polling average

051015202530354045505560ARMSTRONG 54.0PIEPKORN 24.0COACHMAN 3.0JUN '24AUG '24SEP '24
Weighted, plus each pollster's measured bias subtracted before averaging.

All polls · 2 results

strongpositiveinfocautionflag
DatePollster · trust signalsn · popLeanBias · trackvs ratersD · R
Sep 29WPA Intelligence+1For · North Dakota News Cooperative shows500 · LVR-LEAN-1.2aligned24 · 54
Jun 18Public Opinion Strategies+1500 · LVNEUTRALR +7.33 tracked-2.7r lean22 · 61

Endorsements · 8 total

Source · Wikipedia · 1 candidate with no endorsements yet
1Piepkorn · 13%
Armstrong · 87%7
RKelly Armstrong7 endorsers
Most notable · Donald Trump · former President of the United States (2017–2021)
Elected officials6
Federal 3State 3Local 0
Organizations1
DMerrill Piepkorn1 endorser
Most notable · North Dakota Democratic-Nonpartisan League Party
Organizations1
IMichael Coachman0 endorsers
no endorsers yet
No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.

Editorial ratings · 5 raters

Cook · Sabato · Inside Elections · 538 · DDHQ et al.
Safe R5
CNalysis
Safe R
Aug 16
The Cook Political Report
Safe R
Jun 12
Elections Daily
Safe R
Jul 11
Inside Elections
Safe R
Jul 13
Sabato's Crystal Ball
Safe R
Jun 3

Demographic crosstabs

age · education · race · gender
No demographic crosstabs published for this race yet. Most pollsters release only topline numbers; subgroup breakdowns (age, education, race, gender) appear here when a pollster publishes them.
Rating timeline
May 11, 2026Safe Rmodel
Verification trail
Polls verified2 / 2deterministic
Polls flaggednone
Markets ingested0 platformsnone listed
FEC filingsno filings yet
Endorsements8 totalWikipedia scrape
News coverage< 5 articlesGoogle News
Method · bounds + percentage totals + date-order checks