Black Hawk County, IA — Elections & Voting
Presidential election results and party lean trends
Election Overview
Source: Black Hawk County (2024)2024 Winner
Democrat
Dem Votes
31,299
50.0%
GOP Votes
30,572
48.8%
Total Votes
62,653
Margin
D+1.2%
Shift from 2020
R+7.9pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
D+1.2%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 31,299 | 30,572 | 62,653 | 50.0% | 48.8% | D+1.2 |
| 2020 | 35,647 | 29,640 | 66,593 | 53.5% | 44.5% | D+9.0 |
| 2016 | 32,006 | 27,382 | 63,221 | 50.6% | 43.3% | D+7.3 |
In the 2024 presidential election, Black Hawk County recorded 62,653 total votes. Democrats won the county with 50.0% of the vote compared to 48.8% for Republicans, a margin of D+1.2%. Compared to 2020, the margin shifted R+7.9pp from the previous election. Since 2016, Black Hawk County has shifted 6.2 percentage points toward Republicans.