31st Senate District

District

Candidates

Candidates Registered for WI Senate District 31
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
Jesse Lee James (I) 2018-04-16 $35,213 in 138 contributions from 132 unique donors. Median: $100 $26,591.60 in 19 transactions
Democratic
Jeffrey E Smith (I)2 2004-03-25 $111,499 in 354 contributions from 279 unique donors. Median: $100 $16,673.87 in 70 transactions
1 The date this candidate's committee first registered (for any office). Click the link for details.
2 2026 reelection plans not known (this could be out-of-date)
Data last updated on 2026-02-05

Past election results

Election Results in Wisconsin State Senate District 31
votes
Dem. %1
margin (Dem. - Rep.)
total Dem. Rep. votes points2
2016 President 89,567 42,334 40,507 51.1% +1,827 +2.2
2016 Senator 88,336 43,150 41,771 50.8% +1,379 +1.6
2018 Governor 78,561 41,149 35,415 53.7% +5,734 +7.5
2018 Senator 78,219 46,013 32,130 58.9% +13,883 +17.8
2020 President 95,978 48,552 45,341 51.7% +3,211 +3.4
2022 Governor 78,458 42,366 35,144 54.7% +7,222 +9.3
2022 Senator 77,622 39,992 37,481 51.6% +2,511 +3.2
2024 President 104,240 52,455 50,186 51.1% +2,269 +2.2
2024 Senator 103,012 52,710 47,891 52.4% +4,819 +4.8
2024 NA NA NA NA NA NA NA
2025 WI Sup. Ct.3 71,257 42,031 29,181 59.0% +12,850 +18.0
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