Voting & Elections in Lannon, WI
Presidential election results and party lean trends
County-level data: Election results are reported at the county level. Lannon is located in Waukesha County, WI. Results reflect all voters in the county, not just those in Lannon.
Election Overview
Source: Waukesha County (2024)2024 Winner
Republican
Dem Votes
108,478
39.5%
GOP Votes
162,768
59.2%
Total Votes
274,845
Margin
R+19.7%
Shift from 2020
D+1.1pp
vs prior election
📊Election Results by Year
2016–2024📈Partisan Lean Trend
R+19.7%Election History
Source: County-Level Election Results| Year | Dem Votes | GOP Votes | Total | Dem % | GOP % | Margin |
|---|---|---|---|---|---|---|
| 2024 | 108,478 | 162,768 | 274,845 | 39.5% | 59.2% | R+19.7 |
| 2020 | 103,906 | 159,649 | 267,996 | 38.8% | 59.6% | R+20.8 |
| 2016 | 79,200 | 142,521 | 233,273 | 34.0% | 61.1% | R+27.1 |
In the 2024 presidential election, Waukesha County recorded 274,845 total votes. Republicans won the county with 59.2% of the vote compared to 39.5% for Democrats, a margin of R+19.7%. Compared to 2020, the margin shifted D+1.1pp from the previous election. Since 2016, Waukesha County has shifted 7.4 percentage points toward Democrats.