June 2026 residential building permits data releasedExplore

Presidential elections · 20002024

Clay County, IL — Presidential Election Results (20002024)

In 2024, Clay County, Illinois voted for Donald J. Trump (Republican) by R+67.3 1,054 Democratic to 5,610 Republican of 6,769 votes cast. From 2020 to 2024 it shifted 2.0 points toward Republicans. That makes it 78.2 points more Republican than Illinois overall (D+10.9).

Data: MIT Election Data & Science Lab, Harvard Dataverse.

2024 margin
R+67.3
Donald J. Trump
2024 votes cast
6,769
Swing 2020 → 2024
R+2.0
toward Republicans
vs. Illinois
78.2 pts
more Republican

Margin by election, 20002024

Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.

R+25.72000R+35.32004R+23.32008R+44.12012R+63.02016R+65.32020R+67.32024

Every election in Clay County

YearDemocraticRepublicanOtherDem shareRep shareMargin
20241,0545,61010515.6%82.9%R+67.3
20201,1295,62912816.4%81.7%R+65.3
20161,0205,02130916.1%79.1%R+63.0
20121,5844,19013426.8%70.9%R+44.1
20082,4253,92610337.6%60.8%R+23.3
20042,1014,4163732.1%67.4%R+35.3
20002,2123,78913436.1%61.8%R+25.7

Clay County presidential elections — FAQ

Who carried Clay County in the 2024 presidential election?+

Donald J. Trump (Republican) carried Clay County, Illinois in 2024 by R+67.3, with 6,769 votes cast. Data: MIT Election Data & Science Lab.

How did Clay County shift between 2020 and 2024?+

Clay County shifted 2.0 points toward Republicans between 2020 (R+65.3) and 2024 (R+67.3).

Is Clay County more Democratic or Republican than Illinois overall?+

In 2024, Clay County went R+67.3 while Illinois overall went D+10.9 — 78.2 points more Republican than the state.

Where does this election data come from?+

County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.