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

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What's the difference?

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

Iowa's 2nd District

Flip risk: Republican-held seat, a toss-up (52% chance it changes parties).

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

James (D)
52%
chance of winning
Mitchell (R)
48%
Average margin
D+0.3
80% of outcomes
R+8 to D+9
Partisan lean
R+9
Polls
2in our database

Flip risk: Republican-held seat, a toss-up (42% chance it changes parties).

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

James (D)
42%
chance of winning
Mitchell (R)
58%
Average margin
R+1.4
80% of outcomes
R+11 to D+8
Partisan lean
R+9
Polls
2in our database

Range of outcomes

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

D+0.3R+20R+10EvenD+10D+20
R+1.4R+20R+10EvenD+10D+20

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3James 52%Mitchell 48%

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

0%25%50%75%100%AugSepOctNovNov 3James 42%Mitchell 58%

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

The candidates

Democratic

Lindsay James

State representative from the 71st district (2019–present)

Experience
State legislature
Raised
$3.5M
From individuals
$3.1M
Spent
$2.8M
Cash on hand
$676.4K

Money: FEC, through Sep 30, 2026.

Profile and career · Wikipedia

Republican

Joe Mitchell

Former state representative from the 84th district (2019–2023)

Experience
State legislature
Raised
$2.7M
From individuals
$2M
Spent
$1.8M
Cash on hand
$868.8K

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 adjustmentD+0.5Fundamentals modelAdds incumbency, past results, money andexperienceD+2.0Polls in similar placesPolling of similar races in Iowa and look-alikeplacesD+3.9Polling average2 polls, latest Jul 19R+3.3Horizon forecastPolls + fundamentals, projected to Election DayD+0.3Pulse forecastPolls (and polling of similar places) only, todayR+1.4

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)0
Fundraising edge (log ratio of individual money)0.73
Elected-experience edge0
First-term incumbent0
Seat's last result vs. expectation-4.49
Incumbent's last result vs. expectation0

Polls

R+5EvenD+5Avg. R+3.3Apr 14Nov 3
All 2 polls
PollsterDatesSampleJamesMitchellMarginAdjusted
Global Strategy Group for House Majority PAC, which is focused on electing Democrats to the U.SD-sponsoredJul 14–Jul 19— V4645D+1R+3.3
Public Policy Polling for James's campaignD-sponsoredApr 13–Apr 14675 RV3633D+3D+2.3

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: Jul 19, 2026.

The district

Lean R+9: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+5.0R+7.2 vs. nation2020 presidentR+4.5R+9.0 vs. nation2024 presidentR+10.1R+8.6 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
795,370
People per km²
24
Adults with a B.A.+
29%
White, no degree
63%of adults
  • White 86%
  • Hispanic 4%
  • Black 4%
  • Asian 2%
  • 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

408,802 votes · R+15.8
✓ Ashley Hinson (R)57.1%
Sarah Corkery (D)41.5%
Jody Madlom Puffett (I)1.3%

2024 President Vote in this district

413,958 two-party votes · R+10.1 · R+8.6 vs. the nation
✓ Donald Trump (R)55.1%
Kamala Harris (D)44.9%

2022

318,399 votes · R+8.2
✓ Ashley Hinson (R)54.1%
Liz Mathis (D)45.8%

2020 Earlier district lines

394,449 votes · Even
✓ Mariannette Miller-Meeks (R)49.9%
Rita R Hart (D)49.9%

2020 President Vote in this district

425,731 two-party votes · R+4.5 · R+9.0 vs. the nation
✓ Donald Trump (R)52.2%
Joe Biden (D)47.8%

2018 Earlier district lines

312,913 votes · D+12.5
✓ Dave Loebsack (D)54.8%
Christopher Peters (R)42.6%
Mark David Strauss (L)2.0%
Daniel Clark (I)0.6%

2016 Earlier district lines

370,032 votes · D+7.5
✓ David Loebsack (D)53.7%
Christopher Peters (R)46.2%

2016 President Vote in this district

379,717 two-party votes · R+5.0 · R+7.2 vs. the nation
✓ Donald Trump (R)52.5%
Hillary Clinton (D)47.5%