Horizon · our Election Day forecast: polls, plus fundamentals like incumbency, fundraising and past results.

Pulse · polls only: where the races stand today, with no fundamentals and wider uncertainty.

What's the difference?

Michigan › U.S. House of Representatives · November 3, 2026 · Updated Oct 16, 2026

Michigan's 1st District

Bergman is very likely to win: Bergman wins in 19 of every 20 simulations.

Barr (D)
4%
chance of winning
Bergman (R)
96%
Average margin
R+12.5
80% of outcomes
R+21 to R+4
Partisan lean
R+21
Polls
No pollsmodel only

Bergman is very likely to win: Bergman wins in 19 of every 20 simulations.

Barr (D)
5%
chance of winning
Bergman (R)
95%
Average margin
R+15.4
80% of outcomes
R+27 to R+4
Partisan lean
R+21
Polls
No pollsmodel only

Range of outcomes

Final margin across our simulations; the white dashes mark the middle 80%.

R+12.5R+30R+20R+10EvenD+10D+20D+30
R+15.4R+40R+20EvenD+20D+40

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Barr 4%Bergman 96%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

0%25%50%75%100%AugSepOctNovNov 3Barr 5%Bergman 95%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

The candidates

Democratic

Callie Barr

Lawyer and nominee for this district in 2024

Experience
No elected office
Raised
$1.5M
From individuals
$1.2M
Spent
$788.8K
Cash on hand
$768.5K

Money: FEC, through Sep 30, 2026.

Profile and career

RepublicanIncumbent

Jack Bergman

Incumbent U.S. representative (2017–present)

Experience
Statewide office or Congress
Raised
$2.3M
From individuals
$611.3K
Spent
$1.9M
Cash on hand
$563.5K

Money: FEC, through Sep 30, 2026.

Profile and career · Wikipedia

What goes into the forecast

Every ingredient's estimate of the final margin.

National environment
D+9.5Election Day forecast; federal races run in it
Swing reaching this office
78%Of a shift in the environment, from past House races since 2016
Midwest adjustment
+1.4How House races in the region have run against lean and environment lately
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by 78% of the environment andthe Midwest adjustmentR+13.2Fundamentals modelAdds incumbency, past results, money andexperienceR+12.5Polls in similar placesPolling of similar races in Michigan andlook-alike placesR+12.5Polling averageNo polls of this racenot availableHorizon forecastPolls + fundamentals, projected to Election DayR+12.5Pulse forecastPolls (and polling of similar places) only, todayR+15.4

Each estimate is a margin before national and statewide uncertainty is simulated. Horizon blends polls, fundamentals and a little of the similar-places estimate, weighting each by how precise it is; Pulse uses polls and similar places only.

Fundamentals inputs
Incumbency (+1 D, −1 R)-1
Fundraising edge (log ratio of individual money)1.15
Elected-experience edge-1
First-term incumbent0
Seat's last result vs. expectation1.84
Incumbent's last result vs. expectation1.84

Polls

No public polls of this race. The forecast relies on fundamentals and on polling of similar places.

The district

Lean R+21: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+24.6R+26.8 vs. nation2020 presidentR+20.1R+24.6 vs. nation2024 presidentR+21.5R+20.0 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
783,579
People per km²
5
Adults with a B.A.+
28%
White, no degree
65%of adults
  • White 89%
  • Hispanic 2%
  • Black 1%
  • Asian 1%
  • Other / multiracial 7%

American Community Survey 2020–2024, aggregated from census tracts.

Past results

Results in the same-numbered district; earlier elections may have used different lines.

2024

477,185 votes · R+21.9
✓ Jack Bergman (R)59.2%
Callie Barr (D)37.9%
Liz Hakola (WCP)1.8%
Andrew Gale (L)1.1%

2024 President Vote in this district

478,540 two-party votes · R+21.5 · R+20.0 vs. the nation
✓ Donald Trump (R)60.8%
Kamala Harris (D)39.2%

2022

396,273 votes · R+23.2
✓ Jack Bergman (R)59.6%
Bob Lorinser (D)37.1%
Liz Hakola (WCP)1.4%
Andrew Gale (L)1.2%

2020 Earlier district lines

416,220 votes · R+25.2
✓ Jack Bergman (R)61.6%
Dana Ferguson (D)36.8%
Ben Boren (L)1.5%

2020 President Vote in this district

457,712 two-party votes · R+20.1 · R+24.6 vs. the nation
✓ Donald Trump (R)60.0%
Joe Biden (D)40.0%

2018 Earlier district lines

332,497 votes · R+12.6
✓ Jack Bergman (R)56.3%
Matthew W Morgan (D)43.7%

2016 Earlier district lines

360,271 votes · R+15.6
✓ Jack Bergman (R)54.9%
Lon Johnson (D)40.1%
Diane Bostow (L)3.7%
Ellis Boal (G)1.3%

2016 President Vote in this district

379,217 two-party votes · R+24.6 · R+26.8 vs. the nation
✓ Donald Trump (R)62.3%
Hillary Clinton (D)37.7%