Indiana State Senate seat · lines in effect since 2022
Indiana Senate District 40
A district of about 129,000 people, 50% of adults with a bachelor's degree. It votes D+29.1 relative to the nation for president.
2024 election
Nov 5, 2024- Shelli Yoder (D) · won100.0%
Unopposed.
Source: Indiana Secretary of StateUpdated Oct 5, 2026, 12:19 AM ET
Where it sits among all 50 seats
Every Indiana 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
14 races since 1972; the seat changed party 1 time. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | Shelli Yoder (D) | — | Unopposed |
| Lines first used in 2012 | |||
| 2020 | Shelli Yoder (D) | — | Unopposed |
| 2016 | Mark A. Stoops (D) | — | Unopposed |
| 2012 | Mark A. Stoops (D) | Reid Dallas (R) | 20.4 |
| Lines first used in 2002 | |||
| 2008 | Vi Simpson (D) | Leslie O. Compton (R) | 40.0 |
| 2004 | Vi Simpson (D) | R. Dale Cassiday (R) | 28.9 |
| Lines first used in 1992 | |||
| 2000 | Vi Simpson (D) | — | Unopposed |
| 1996 | Vi Simpson (D) | Margaret Cook (R) | 21.1 |
| 1992 | Vi Simpson (D) | Thomas S. Gray (R) | 23.7 |
| Lines first used in 1982 | |||
| 1988 | Vi Simpson (D) | Lloyd W. Olcott (R) | 8.6 |
| 1984 | Vi Simpson (D) | Farrell N. Duckworth (R) | 2.0 |
| Lines first used in 1972 | |||
| 1980 | Farrell N. Duckworth (R)Flip | John M. Irvine (D) | 8.8 |
| 1976 | Patrick D. Carroll (D) | Donald R. Lewis (R) | 19.0 |
| 1972 | Patrick D. Carroll (D) | Jay R. Ellis (R) | 2.8 |
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 40
The state's districts in other chambers that share residents with this one, and the share of District 40's area in each.
- U.S. House
- IN-9 100%
Who lives here, compared
Grey bars show the spread of all 50 seats. Small marks are other seats in Indiana. The black marker is District 40.
Higher than 92% of seats.
Lower than 82% of seats.
Lower than 71% of seats.
Lower than 59% of seats.
Higher than 94% of seats.
Denser than 65% 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. 1 of the 4 flipped this year.
District 2959% college gradsD+15.5Held DDistrict 31
64% college gradsD+2.3Flipped DDistrict 20
58% college gradsR+10.9Not up in 2026District 30
26% Black · 52% college gradsD+44.1Not up in 2026
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