Indiana State Senate seat · lines in effect since 2022
Indiana Senate District 42
A district of about 130,000 people, 18% of adults with a bachelor's degree. It votes R+58.7 relative to the nation for president.
2024 election
Nov 5, 2024- Jean Leising (R) · won100.0%
Unopposed.
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM 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 2 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 2022 | |||
| 2024 | Jean Leising (R) | — | Unopposed |
| Lines first used in 2012 | |||
| 2020 | Jean Leising (R) | — | Unopposed |
| 2016 | Jean Leising (R) | Rudy M. Howard Sr. (D) | 45.8 |
| 2012 | Jean Leising (R) | — | Unopposed |
| Lines first used in 2002 | |||
| 2008 | Jean Leising (R) | Warren F. Goodrich (D) | 34.5 |
| 2004 | Robert N. Jackman (R) | Barry A. Welsh (D) | 39.1 |
| Lines first used in 1992 | |||
| 2000 | Robert N. Jackman (R) | Albert Barger (I) | 79.8 |
| 1996 | Robert N. Jackman (R) | John D. Lux (D) | 8.2 |
| 1992 | Jean Leising (R) | M. Ilene Bailey (D) | 25.1 |
| Lines first used in 1982 | |||
| 1988 | Jean Leising (R) | R. Jeffrey McDaniel (D) | 18.1 |
| 1984 | Thomas D. Hession (R) | R. Jeffrey McDaniel (D) | 12.5 |
| Lines first used in 1972 | |||
| 1980 | Thomas D. Hession (R)Flip | Thomas J. Wheeler (D) | 10.5 |
| 1976 | Thomas J. Wheeler (D)Flip | Robert L. Sheaffer (R) | 0.0 |
| 1972 | Robert L. Sheaffer (R) | Morgan L. Miers (D) | 19.2 |
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 42
The state's districts in other chambers that share residents with this one, and the share of District 42'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+58.1 |
| U.S. Senate | R+57.9 |
| Governor | R+48.7 |
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 50 seats. Small marks are other seats in Indiana. The black marker is District 42.
Lower than 96% of seats.
Highest of 50 seats.
Lower than 98% of seats.
Lower than 94% of seats.
Lowest of 50 seats.
Less dense than 96% 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 39IndianaR+55.6Held RDistrict 43
IndianaR+52.5Held RDistrict 13
IndianaR+49.5Not up in 2026District 48
20% college gradsR+44.3Held 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