9th Senate District

District

Candidates

Candidates Registered for WI Senate District 9
Data shows every Democratic or Republican candidate registered to run in 2026 plus the incumbent. See footnote for incumbent reelection status.
candidates registration_date1
Since 1/1/2025 & reported by 2026-02-04
contributions disbursements
Republican
Devin LeMahieu (I)2 2012-02-08 $45,776.10 in 175 contributions from 160 unique donors. Median: $50 $23,342.83 in 47 transactions
1 The date this candidate's committee first registered (for any office). Click the link for details.
2 registered to run in 2026
Data last updated on 2026-02-05

Past election results

Election Results in Wisconsin State Senate District 9
votes
Dem. %1
margin (Dem. - Rep.)
total Dem. Rep. votes points2
2016 President 89,208 34,739 47,931 42.0% −13,192 −16.0
2016 Senator 88,169 33,822 51,052 39.8% −17,230 −20.3
2018 Governor 78,945 31,725 45,781 40.9% −14,056 −18.1
2018 Senator 78,491 37,373 41,017 47.7% −3,644 −4.6
2020 President 98,381 40,830 55,688 42.3% −14,858 −15.4
2022 Governor 79,389 33,557 44,799 42.8% −11,242 −14.3
2022 Senator 79,174 32,022 46,978 40.5% −14,956 −18.9
2024 President 101,068 41,838 57,676 42.0% −15,838 −15.9
2024 Senator 100,131 41,862 55,881 42.8% −14,019 −14.3
2024 NA NA NA NA NA NA NA
2025 WI Sup. Ct.3 70,091 32,571 37,471 46.5% −4,900 −7.0
1 Share of the two-party vote. For Rep. share, subtract from 100.
2 Dem % of the two-party vote minus Rep % of the two-party vote
3 Formally nonpartisan candidates assigned party labels based on state endorsements
Election results allocated into 2024 district boundaries based on population overlap. Calculations by John Johnson (johndjohnson.info).

District demographics