40th Assembly District

District

Candidates

Candidates Registered for WI Assembly District 40
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
Julie Ann Helmer 2025-07-17 $5,262.18 in 26 contributions from 25 unique donors. Median: $100 $806.12 in 5 transactions
Democratic
Karen DeSanto (I)2 2024-05-01 $15,153.00 in 152 contributions from 126 unique donors. Median: $30 $5,081.54 in 117 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2 2026 reelection plans not known (this could be out-of-date)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 Assembly District 40
votes
Dem. %1
margin (Dem. - Rep.)
total Dem. Rep. votes points2
2016 President 29,171 14,414 12,975 52.6% +1,439 +5.3
2016 Senator 29,153 16,037 12,309 56.6% +3,728 +13.2
2018 Governor 26,939 15,226 11,102 57.8% +4,124 +15.7
2018 Senator 26,837 16,314 10,509 60.8% +5,805 +21.6
2020 President 33,286 17,654 15,074 53.9% +2,580 +7.9
2022 Governor 26,533 14,979 11,273 57.1% +3,706 +14.1
2022 Senator 26,478 14,349 12,102 54.2% +2,247 +8.5
2024 President 34,241 17,681 16,021 52.5% +1,660 +4.9
2024 Senator 33,906 17,953 15,217 54.1% +2,736 +8.2
2024 WI Assembly 33,186 17,949 15,221 54.1% +2,728 +8.2
2025 WI Sup. Ct.3 24,327 14,534 9,788 59.8% +4,746 +19.5
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