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?

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

Ohio's 10th District

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

Knickerbocker (D)
23%
chance of winning
Turner (R)
77%
Average margin
R+5.1
80% of outcomes
R+14 to D+4
Partisan lean
R+7
Polls
3in our database

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

Knickerbocker (D)
27%
chance of winning
Turner (R)
73%
Average margin
R+5.1
80% of outcomes
R+17 to D+6
Partisan lean
R+7
Polls
3in our database

Range of outcomes

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

R+5.1R+20R+10EvenD+10D+20
R+5.1R+30R+20R+10EvenD+10D+20D+30

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Knickerbocker 23%Turner 77%

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

0%25%50%75%100%AugSepOctNovNov 3Knickerbocker 27%Turner 73%

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

The candidates

RepublicanIncumbent

Mike Turner

Incumbent U.S. representative

Experience
Statewide office or Congress
Raised
$1.2M
From individuals
$560K
Spent
$1.1M
Cash on hand
$588.3K

Money: FEC, through Sep 30, 2026.

Profile and career · Wikipedia

Libertarian

Thomas McMasters

Former mayor of Huber Heights and independent candidate for this district in 2016

Experience
Local office

Money: no FEC filings matched.

Profile and career

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 adjustmentD+2.7Fundamentals modelAdds incumbency, past results, money andexperienceR+0.5Polls in similar placesPolling of similar races in Ohio and look-alikeplacesD+0.8Polling average2 polls, latest Jul 23R+12.5Horizon forecastPolls + fundamentals, projected to Election DayR+5.1Pulse forecastPolls (and polling of similar places) only, todayR+5.1

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)-0.7
Elected-experience edge-1
First-term incumbent0
Seat's last result vs. expectation0
Incumbent's last result vs. expectation0

Polls

R+10R+5EvenD+5D+10Avg. R+12.5Jul 12Nov 3
All 3 polls
PollsterDatesSampleKnickerbockerTurnerMarginAdjusted
Global Strategy Group for Knickerbocker's campaignD-sponsoredJul 20–Jul 23700 LV4249R+7R+12.5
Global Strategy Group for Knickerbocker's campaignD-sponsoredJul 20–Jul 23700 LV4045R+5R+12.5
FM3 Research for House Majority PAC, which is focused on electing Democrats to the U.SD-sponsoredJul 6–Jul 12535 LV4148R+7R+12.2

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: Jul 23, 2026.

The district

Lean R+7: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+8.9R+11.2 vs. nation2020 presidentR+5.9R+10.4 vs. nation2024 presidentR+7.8R+6.3 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
793,248
People per km²
320
Adults with a B.A.+
32%
White, no degree
50%of adults
  • White 72%
  • Hispanic 4%
  • Black 16%
  • Asian 2%
  • Other / multiracial 6%

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

370,746 votes · R+19.0
✓ Michael R. Turner (R)57.6%
Amy Cox (D)39.2%
Michael Harbaugh (I)3.1%

2024 President Vote in this district

374,685 two-party votes · R+7.8 · R+6.3 vs. the nation
✓ Donald Trump (R)53.9%
Kamala Harris (D)46.1%

2022 Earlier district lines

272,961 votes · R+23.3
✓ Michael R Turner (R)61.7%
David Esrati (D)38.3%

2020 Earlier district lines

364,948 votes · R+16.7
✓ Michael R Turner (R)58.4%
Desiree Tims (D)41.6%

2020 President Vote in this district

384,896 two-party votes · R+5.9 · R+10.4 vs. the nation
✓ Donald Trump (R)52.9%
Joe Biden (D)47.1%

2018 Earlier district lines

281,726 votes · R+14.0
✓ Mike Turner (R)55.9%
Theresa A Gasper (D)42.2%
David A Harlow (L)1.9%

2016 Earlier district lines

336,602 votes · R+32.5
✓ Michael R Turner (R)64.1%
Robert Klepinger (D)32.7%
Tom McMasters (I)3.2%

2016 President Vote in this district

353,675 two-party votes · R+8.9 · R+11.2 vs. the nation
✓ Donald Trump (R)54.5%
Hillary Clinton (D)45.5%