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 › Michigan House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026

Michigan House District 86

Projected flip: Republican-held seat, Democrats favored (63%).

McClusky is favored to win: McClusky wins in about 3 of every 5 simulations.

McClusky (D)
63%
chance of winning
DeBoer (R)
37%
Average margin
D+2.5
80% of outcomes
R+8 to D+13
Partisan lean
Even
Polls
No pollsmodel only

Projected flip: Republican-held seat, Democrats favored (72%).

McClusky is favored to win: McClusky wins in about 3 of every 4 simulations.

McClusky (D)
72%
chance of winning
DeBoer (R)
28%
Average margin
D+5.4
80% of outcomes
R+7 to D+18
Partisan lean
Even
Polls
No pollsmodel only

Range of outcomes

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

D+2.5R+20R+10EvenD+10D+20
D+5.4R+30R+20R+10EvenD+10D+20D+30

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3McClusky 63%DeBoer 37%

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

0%25%50%75%100%AugSepOctNovNov 3McClusky 72%DeBoer 28%

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

The candidates

What goes into the forecast

Every ingredient's estimate of the final margin.

National environment
D+9.5Election Day forecast
Michigan state offices
−0.3Polls for governor, statewide and legislative races · details
Environment here
D+9.2Used by the fundamentals
Swing reaching this office
58%Of a shift in the environment, from past legislative races since 2016
Midwest adjustment
+0.3How legislative races in the region have run against lean and environment lately
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by 58% of the environment andthe Midwest adjustmentD+7.5Fundamentals modelAdds incumbency, past results, money andexperienceD+2.5Polls in similar placesPolling of similar races in Michigan andlook-alike placesD+2.6Polling averageNo polls of this racenot availableHorizon forecastPolls + fundamentals, projected to Election DayD+2.5Pulse forecastPolls (and polling of similar places) only, todayD+5.4

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)-0.31
Elected-experience edge-0.67
First-term incumbent0
Seat's last result vs. expectation-9.35
Incumbent's last result vs. expectation-9.35

Polls

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

The district

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

Presidential vote

← RepublicanDemocratic →2016 presidentR+11.3R+13.5 vs. nation2020 presidentR+0.3R+4.9 vs. nation2024 presidentR+0.3D+1.2 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
92,529
People per km²
445
Adults with a B.A.+
37%
White, no degree
41%of adults
  • White 67%
  • Hispanic 23%
  • Black 2%
  • Asian 5%
  • Other / multiracial 4%

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

49,396 votes · R+12.2
✓ Nancy Deboer (R)56.1%
Abby Klomparens (D)43.9%

2024 President Vote in this district

49,169 two-party votes · R+0.3 · D+1.2 vs. the nation
✓ Donald Trump (R)50.1%
Kamala Harris (D)49.9%

2022 Earlier district lines

39,313 votes · R+12.4
✓ Nancy de Boer (R)56.2%
Larry D Jackson (D)43.8%

2020 Earlier district lines

56,286 votes · R+26.3
✓ Thomas A Albert (R)63.1%
Sue Hayes (D)36.9%

2020 President Vote in this district

47,537 two-party votes · R+0.3 · R+4.9 vs. the nation
✓ Donald Trump (R)50.2%
Joe Biden (D)49.8%

2016 President Vote in this district

38,542 two-party votes · R+11.3 · R+13.5 vs. the nation
✓ Donald Trump (R)55.6%
Hillary Clinton (D)44.4%