Election forecasts you can inspect.Tested models, shown with their sources and their uncertainty.

Updated October 22, 2026, 09:28 UTC

State legislatures › Idaho House

Idaho House District 11A

2026 forecast · Updated October 22, 2026, 09:28 UTC

Decided: only a Republican is running · Kent A. Marmon (R)

Idaho House District 11A: Decided: only a Republican is runningIdaho House 10A: chance of a Democratic win <1%; 2024 president R+61Idaho House 10B: chance of a Democratic win <1%; 2024 president R+61Idaho House 11B: chance of a Democratic win <1%; 2024 president R+34Idaho House 12A: chance of a Democratic win 4%; 2024 president R+41Idaho House 12B: chance of a Democratic win <1%; 2024 president R+41Idaho House 9A: chance of a Democratic win <1%; 2024 president R+64Idaho House 9B: chance of a Democratic win <1%; 2024 president R+64Idaho House District 11A: Decided: only a Republican is running9A11A
Safe DLean DToss-upLean RSafe RHatched: not up in 2026 (shaded by holder) · dashed: other state

District 11A is safe Republican. Of its 7 neighbouring districts, 7 favour Republicans.

StatusDecided: only a Republican is running
CandidatesKent A. Marmon (R)
Candidate list fromofficial
Current memberKent Marmon

How it has voted

On its current lines. Legislative contests and the top-of-ticket vote inside the district.

Legislature 2022R+41
Governor 2022R+41
Legislature 2024R+32
President 2024R+34
← RepublicanDemocratic →

Who lives here

Census Bureau, American Community Survey 2019-2023.

This districtIdaho
Median household income$65,750$74,636
Bachelor's degree or more (25+)15%31%
Median age3237
White (not Hispanic)53%79%
Black0%1%
Hispanic40%13%
Asian1%1%
Born abroad13%6%
Jobs in manufacturing11%9%
Jobs in farming or mining3%4%

Initial version. This model was tested on every state legislative election from 1994 to 2024 before publication, forecasting each as if it had not happened. It beat the simple rule “the party that holds the seat keeps it”, and its chamber seat counts were off by 2.9 seats on average (target: under 3). Districts with no two-party race last time are read from their own presidential vote, a change tested in advance that cut their average error from 17 to 13 points. It missed one of its five accuracy targets: in 2024, the calmest year on record, its ranges were wider than they needed to be (92% of results fell inside its 80% ranges; target: at most 88%). Treat the ranges as cautious. The full test record and code.