Presidential elections · 2000–2024
Rock County, WI — Presidential Election Results (2000–2024)
In 2024, Rock County, Wisconsin voted for Kamala D. Harris (Democratic) by D+7.3 — 46,642 Democratic to 40,218 Republican of 88,310 votes cast. From 2020 to 2024 it shifted 3.9 points toward Republicans. That makes it 8.2 points more Democratic than Wisconsin overall (R+0.9).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Rock County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 46,642 | 40,218 | 1,450 | 52.8% | 45.5% | D+7.3 |
| 2020 | 46,658 | 37,138 | 1,564 | 54.7% | 43.5% | D+11.2 |
| 2016 | 39,343 | 31,488 | 5,237 | 51.7% | 41.4% | D+10.3 |
| 2012 | 49,219 | 30,517 | 954 | 61.0% | 37.8% | D+23.2 |
| 2008 | 50,529 | 27,364 | 1,276 | 63.8% | 34.6% | D+29.3 |
| 2004 | 46,598 | 33,151 | 730 | 57.9% | 41.2% | D+16.7 |
| 2000 | 40,472 | 27,467 | 2,465 | 57.5% | 39.0% | D+18.5 |
Rock County presidential elections — FAQ
Who carried Rock County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Rock County, Wisconsin in 2024 by D+7.3, with 88,310 votes cast. Data: MIT Election Data & Science Lab.
How did Rock County shift between 2020 and 2024?+
Rock County shifted 3.9 points toward Republicans between 2020 (D+11.2) and 2024 (D+7.3).
Is Rock County more Democratic or Republican than Wisconsin overall?+
In 2024, Rock County went D+7.3 while Wisconsin overall went R+0.9 — 8.2 points more Democratic 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.