June 2026 residential building permits data releasedExplore

Presidential elections · 20002024

Colusa County, CA — Presidential Election Results (20002024)

In 2024, Colusa County, California voted for Donald J. Trump (Republican) by R+28.2 2,431 Democratic to 4,414 Republican of 7,021 votes cast. From 2020 to 2024 it shifted 11.6 points toward Republicans. That makes it 48.3 points more Republican than California overall (D+20.1).

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

2024 margin
R+28.2
Donald J. Trump
2024 votes cast
7,021
Swing 2020 → 2024
R+11.6
toward Republicans
vs. California
48.3 pts
more Republican

Margin by election, 20002024

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

R+33.72000R+35.62004R+18.12008R+21.32012R+13.42016R+16.62020R+28.22024

Every election in Colusa County

YearDemocraticRepublicanOtherDem shareRep shareMargin
20242,4314,41417634.6%62.9%R+28.2
20203,2394,55916340.7%57.3%R+16.6
20162,6613,55142040.1%53.5%R+13.4
20122,3143,60111938.3%59.7%R+21.3
20082,5693,73312740.0%58.1%R+18.1
20041,9474,1427731.6%67.2%R+35.6
20001,7453,62921631.2%64.9%R+33.7

Colusa County presidential elections — FAQ

Who carried Colusa County in the 2024 presidential election?+

Donald J. Trump (Republican) carried Colusa County, California in 2024 by R+28.2, with 7,021 votes cast. Data: MIT Election Data & Science Lab.

How did Colusa County shift between 2020 and 2024?+

Colusa County shifted 11.6 points toward Republicans between 2020 (R+16.6) and 2024 (R+28.2).

Is Colusa County more Democratic or Republican than California overall?+

In 2024, Colusa County went R+28.2 while California overall went D+20.1 — 48.3 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.