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

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What's the difference?

Indiana › Statewide offices · November 3, 2026 · Updated Oct 16, 2026

Indiana Secretary of State

Engling is favored to win: Engling wins in about 2 of every 3 simulations.

Bayh (D)
37%
chance of winning
Engling (R)
63%
Average margin
R+2.7
80% of outcomes
R+13 to D+8
Partisan lean
R+19
Polls
3in our database

Flip risk: Republican-held seat, a toss-up (55% chance it changes parties).

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

Bayh (D)
55%
chance of winning
Engling (R)
45%
Average margin
D+1.3
80% of outcomes
R+11 to D+14
Partisan lean
R+19
Polls
3in our database

Range of outcomes

R+2.7R+20R+10EvenD+10D+20
D+1.3R+30R+20R+10EvenD+10D+20D+30

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Bayh 37%Engling 63%

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

0%25%50%75%100%AugSepOctNovNov 3Bayh 55%Engling 45%

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
Indiana state offices
+0.1Polls for governor, statewide and legislative races, without this race · details
Environment here
D+9.6Used by the fundamentals
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by the national and state moodR+9.5Fundamentals modelAdds incumbency, past results, money andexperienceR+9.9Polls in similar placesPolling of similar races in Indiana and look-alikeplacesR+9.4Polling average3 polls, latest Oct 11D+7.9Horizon forecastPolls + fundamentals, projected to Election DayR+2.7Pulse forecastPolls (and polling of similar places) only, todayD+1.3

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)0
Fundraising edge (log ratio of individual money)0
Elected-experience edge0
First-term incumbent0
Seat's last result vs. expectation2.35
Incumbent's last result vs. expectation0

Polls

R+10R+5EvenD+5D+10Avg. D+7.9Sep 3Nov 3
All 3 polls
PollsterDatesSampleBayhEnglingMarginAdjusted
Bellwether ResearchOct 8–Oct 11896 LV4335D+8D+9.4
The Tarrance Group for Hoosier Leadership for America, which supports Engling's campaignR-sponsoredSep 27–Sep 30600 LV3738R+1D+4.9
Schoen Cooperman Research for an insider in the Bayh campaignD-sponsoredSep 1–Sep 3605 LV4236D+6D+4.3

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: Oct 11, 2026.

The state

Lean R+19: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+20.2R+22.5 vs. nation2020 presidentR+16.4R+20.9 vs. nation2024 presidentR+19.3R+17.8 vs. nation

Who lives here

Population
6,851,073
Adults with a B.A.+
30%
White, no degree
55%of adults
  • White 75%
  • Hispanic 9%
  • Black 9%
  • Asian 3%
  • Other / multiracial 4%

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

Past results

2024 President Vote in this state

2,883,950 two-party votes · R+19.3 · R+17.8 vs. the nation
✓ Donald Trump (R)59.7%
Kamala Harris (D)40.3%

2022

759,457 votes · R+21.7
✓ Diego Morales (R)57.0%
Destiny Wells (D)36.7%
Jeffrey Maurer (L)6.3%

2020 President Vote in this state

2,971,935 two-party votes · R+16.4 · R+20.9 vs. the nation
✓ Donald Trump (R)58.2%
Joe Biden (D)41.8%

2018

2,237,455 votes · R+16.6
✓ Connie Lawson (R)56.1%
Jim Harper (D)40.1%
Mark W Rutherford (L)3.7%

2016 President Vote in this state

2,590,412 two-party votes · R+20.2 · R+22.5 vs. the nation
✓ Donald Trump (R)60.1%
Hillary Clinton (D)39.9%