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

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

Ohio's 9th District

Flip risk: Democratic-held seat, a toss-up (41% chance it changes parties).

A toss-up: each side wins about half the simulations.

Kaptur (D)
59%
chance of winning
Merrin (R)
41%
Average margin
D+1.3
80% of outcomes
R+6 to D+9
Partisan lean
R+10
Polls
2in our database

Flip risk: Democratic-held seat, a toss-up (56% chance it changes parties).

A toss-up: each side wins about half the simulations.

Kaptur (D)
44%
chance of winning
Merrin (R)
56%
Average margin
R+0.9
80% of outcomes
R+10 to D+8
Partisan lean
R+10
Polls
2in our database

Range of outcomes

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

D+1.3R+20R+10EvenD+10D+20
R+0.9R+20R+10EvenD+10D+20

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Kaptur 59%Merrin 41%

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

0%25%50%75%100%AugSepOctNovNov 3Kaptur 44%Merrin 56%

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

The candidates

DemocraticIncumbent

Marcy Kaptur

Incumbent U.S. representative

Experience
Statewide office or Congress
Raised
$5.6M
From individuals
$3.2M
Spent
$4.8M
Cash on hand
$1.2M

Money: FEC, through Sep 30, 2026.

Profile and career · Wikipedia

Republican

Derek Merrin

Former state representative (2016–2025) and nominee for this district in 2024

Experience
State legislature
Raised
$2.1M
From individuals
$718.9K
Spent
$1.4M
Cash on hand
$806.8K

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+0.6Fundamentals modelAdds incumbency, past results, money andexperienceD+2.1Polls in similar placesPolling of similar races in Ohio and look-alikeplacesD+3.2Polling average2 polls, latest Sep 23R+0.3Horizon forecastPolls + fundamentals, projected to Election DayD+1.3Pulse forecastPolls (and polling of similar places) only, todayR+1.0

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)1.13
Elected-experience edge0.33
First-term incumbent0
Seat's last result vs. expectation0
Incumbent's last result vs. expectation0

Polls

R+5EvenD+5Avg. R+0.3Apr 20Nov 3
All 2 polls
PollsterDatesSampleKapturMerrinMarginAdjusted
DCCC Analytics DepartmentSep 22–Sep 23481 LV4848EvenR+0.3
McLaughlin & Associates for the NRCCR-sponsoredApr 18–Apr 20400 LV4347R+4D+6.1

Adjusted: after correcting for the pollster's house effect, registered vs. likely voters, and movement in the national environment since the poll; shown for the polls carrying the most weight in today's average. Larger dots in the chart carry the most weight. Last poll: Sep 23, 2026.

The district

Lean R+10: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+5.1R+7.3 vs. nation2020 presidentR+6.8R+11.4 vs. nation2024 presidentR+10.7R+9.2 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
780,880
People per km²
68
Adults with a B.A.+
28%
White, no degree
56%of adults
  • White 75%
  • Hispanic 7%
  • Black 11%
  • Asian 1%
  • Other / multiracial 5%

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 Earlier district lines

375,195 votes · D+0.7
✓ Marcy Kaptur (D)48.3%
Derek Merrin (R)47.6%
Tom Pruss (L)4.1%

2024 President Vote in this district

377,327 two-party votes · R+10.7 · R+9.2 vs. the nation
✓ Donald Trump (R)55.3%
Kamala Harris (D)44.7%

2022 Earlier district lines

266,017 votes · D+13.3
✓ Marcy Kaptur (D)56.6%
J R Majewski (R)43.4%

2020 Earlier district lines

301,752 votes · D+26.2
✓ Marcy Kaptur (D)63.1%
Rob Weber (R)36.9%

2020 President Vote in this district

386,115 two-party votes · R+6.8 · R+11.4 vs. the nation
✓ Donald Trump (R)53.4%
Joe Biden (D)46.6%

2018 Earlier district lines

231,889 votes · D+35.6
✓ Marcy Kaptur (D)67.8%
Steven W Kraus (R)32.2%

2016 Earlier district lines

282,398 votes · D+37.4
✓ Marcy Kaptur (D)68.7%
Donald P Larson (R)31.3%

2016 President Vote in this district

355,312 two-party votes · R+5.1 · R+7.3 vs. the nation
✓ Donald Trump (R)52.5%
Hillary Clinton (D)47.5%