Wisconsin State Senate seat · lines in effect since 2024
Wisconsin Senate District 10
A district of about 192,000 people, 33% of adults with a bachelor's degree. It votes R+20.1 relative to the nation for president.
2024 election
Nov 5, 2024- Rob Stafsholt (R) · won62.4%
- Paul Hambleton (D)37.6%
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
Where it sits among all 33 seats
Every Wisconsin State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every election for this seat
15 races since 1968; the seat changed party 4 times. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2024 | |||
| 2024 | Rob Stafsholt (R) | Paul Hambleton (D) | 24.8 |
| Lines first used in 2012 | |||
| 2020 | Rob Stafsholt (R) | Patty Schachtner (D) | 19.8 |
| 2016 | Sheila E. Harsdorf (R) | Diane Odeen (D) | 26.4 |
| 2012 | Sheila E. Harsdorf (R) | Daniel C. Olson (D) | 18.4 |
| Lines first used in 2002 | |||
| 2008 | Sheila E. Harsdorf (R) | Alison H. Page (D) | 12.9 |
| 2004 | Sheila E. Harsdorf (R) | Gary L. Bakke (D) | 18.5 |
| Lines first used in 1992 | |||
| 2000 | Sheila E. Harsdorf (R)Flip | Alice Clausing (D) | 3.2 |
| 1996 | Alice Clausing (D) | Jay Griggs (R) | 8.2 |
| 1992 | Alice Clausing (D) | William F. Berndt (R) | 0.6 |
| Lines first used in 1982 | |||
| 1988 | Richard Shoemaker (D)Flip | William F. Berndt (R) | 11.8 |
| 1984 | James E. Harsdorf (R) | Miner (D) | 17.8 |
| Lines first used in 1972 | |||
| 1980 | James E. Harsdorf (R)Flip | Michele G. Radosevich (D) | 3.8 |
| 1976 | Michele G. Radosevich (D)Flip | Robert Knowles (R) | 6.7 |
| 1972 | Robert Knowles (R) | Norman E. Anderson (D) | 6.3 |
| Lines first used in 1962 | |||
| 1968 | Robert Knowles (R) | Carl A. Pemble (D) | 25.8 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 10
The state's districts in other chambers that share residents with this one, and the share of District 10's area in each.
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | |
|---|---|
| President | R+20.5 |
| U.S. Senate | R+18.6 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
Who lives here, compared
Grey bars show the spread of all 33 seats. Small marks are other seats in Wisconsin. The black marker is District 10.
Higher than 69% of seats.
Higher than 59% of seats.
Lower than 62% of seats.
Lower than 94% of seats.
Lower than 81% of seats.
Less dense than 84% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 131% college gradsR+20.5Held RDistrict 19
30% college gradsR+26.0Held RDistrict 2
28% college gradsR+27.4Not up in 2026District 11
31% college gradsR+27.8Held R
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET