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

Updated October 22, 2026, 09:28 UTC

State legislatures › Alabama House

Alabama House District 100

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

Decided: only a Republican is running · Mark Shirey (R)

Alabama House District 100: Decided: only a Republican is runningAlabama House 101: chance of a Democratic win 4%Alabama House 102: chance of a Democratic win <1%Alabama House 104: chance of a Democratic win <1%Alabama House 105: chance of a Democratic win <1%Mississippi lower 109: no election in 2026Alabama House District 100: Decided: only a Republican is running101MS 109105102100
Safe DLean DToss-upLean RSafe RHatched: not up in 2026 (shaded by holder) · dashed: other state

District 100 is safe Republican. Of its 5 neighbouring districts, 4 favour Republicans, 1 has no 2026 forecast. 1 of them is across the state line.

StatusDecided: only a Republican is running
CandidatesMark Shirey (R)
Candidate list fromaggregator (The Ballot Brief)
Current memberMark Shirey

How it has voted

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

Legislature 2022no two-party contest; won by Mark Shirey (Republican)
Governor 2022R+51
← RepublicanDemocratic →

Who lives here

Census Bureau, American Community Survey 2019-2023.

This districtAlabama
Median household income$83,529$62,027
Bachelor's degree or more (25+)29%28%
Median age3839
White (not Hispanic)75%64%
Black17%26%
Hispanic4%5%
Asian2%1%
Born abroad4%4%
Jobs in manufacturing13%14%
Jobs in farming or mining3%1%

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.