St. Clair County, MO — Elections & Voting
Presidential election results and party lean trends
Election Overview
Source: St. Clair County (2024)2024 Winner
Republican
Dem Votes
959
19.2%
GOP Votes
3,982
79.8%
Total Votes
4,987
Margin
R+60.6%
Shift from 2020
R+1.4pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
R+60.6%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 959 | 3,982 | 4,987 | 19.2% | 79.8% | R+60.6 |
| 2020 | 988 | 3,932 | 4,974 | 19.9% | 79.0% | R+59.2 |
| 2016 | 936 | 3,501 | 4,630 | 20.2% | 75.6% | R+55.4 |
In the 2024 presidential election, St. Clair County recorded 4,987 total votes. Republicans won the county with 79.8% of the vote compared to 19.2% for Democrats, a margin of R+60.6%. Compared to 2020, the margin shifted R+1.4pp from the previous election. Since 2016, St. Clair County has shifted 5.2 percentage points toward Republicans.