Voting & Elections in Onawa, IA
Presidential election results and party lean trends
County-level data: Election results are reported at the county level. Onawa is located in Monona County, IA. Results reflect all voters in the county, not just those in Onawa.
Election Overview
Source: Monona County (2024)2024 Winner
Republican
Dem Votes
1,236
26.8%
GOP Votes
3,331
72.2%
Total Votes
4,616
Margin
R+45.4%
Shift from 2020
R+6.4pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
R+45.4%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 1,236 | 3,331 | 4,616 | 26.8% | 72.2% | R+45.4 |
| 2020 | 1,407 | 3,248 | 4,728 | 29.8% | 68.7% | R+38.9 |
| 2016 | 1,244 | 3,115 | 4,525 | 27.5% | 68.8% | R+41.4 |
In the 2024 presidential election, Monona County recorded 4,616 total votes. Republicans won the county with 72.2% of the vote compared to 26.8% for Democrats, a margin of R+45.4%. Compared to 2020, the margin shifted R+6.4pp from the previous election. Since 2016, Monona County has shifted 4.0 percentage points toward Republicans.