Electoral MeridianIndependent Election Research

Forecasts. Results. Evidence.

States ยท Missouri

St. Clair County, Missouri

2026 election results. Mark Alford (R) got 74% of the Missouri 4th District vote in St. Clair County. The margin is 9.2 points more Democratic than the 2024 presidential vote here.

2026 results in St. Clair County

U.S. House: Missouri 4th District

Mark Alford
73.7%2,429
Jordan Herrera
23.3%769
Thomas Holbrook
3.0%100
100% counted

Whole district: Mark Alford wins. Called.

The leader in St. Clair County is only who has the most votes counted here. Races are won statewide or district-wide, and only the race pages report calls. Last vote update here Nov 3, 8:45 PM.

Compared with 2024

RaceMargin2024 presidentShift
MO-04R +51.9R +61.1D +9.2

Margins compare the Democrat and the Republican only. The 2024 column is the presidential margin in the same places as each race's votes here. Shift is this year's margin minus it, shown once at least 90% of the expected vote is counted. A dash means there's no 2024 figure for those exact places.

How St. Clair County has voted for president

YearDemocratShareRepublicanShareMarginVotes
2024Kamala Harris19.2%Donald Trump79.8%R +60.64,990
2020Joe Biden19.9%Donald Trump79.0%R +59.24,975
2016Hillary Clinton20.2%Donald Trump75.6%R +55.44,630
2012Barack Obama31.6%Mitt Romney65.3%R +33.74,626
2008Barack Obama37.8%John McCain59.8%R +22.04,988
2004John Kerry37.1%George W. Bush62.4%R +25.34,965
2000Al Gore39.4%George W. Bush57.6%R +18.34,739

Shares are of all presidential votes, and the margin is the Democrat's share minus the Republican's. Since 2000, the presidential margin here has moved R +42.3.

Other counties in Missouri

Missouri results

Sources & scope

Votes for 2026 come from the count this site reads, by county. They're unofficial until Missouri certifies them. Past presidential votes are from MEDSL and VEST, via Polling Forecast. Missouri's own results, deadlines and offices are on the state page.