Louisiana State Senate seat · lines in effect since 2022
Louisiana Senate District 9
A district of about 113,000 people, 49% of adults with a bachelor's degree. It votes R+19.1 relative to the nation for president.
2023 election
Oct 14, 2023- Cameron Henry (R) · won69.9%
- Mary Anne Mushatt (D)30.1%
Source: Louisiana Secretary of StateUpdated Sep 30, 2026, 1:09 PM ET
Where it sits among all 38 seats
Every Louisiana 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
16 races since 1968. 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 | |||
| 2023 | Cameron Henry (R) | Mary Anne Mushatt (D) | 39.8 |
| Lines first used in 2012 | |||
| 2019 | Cameron Henry (R) | Jon Hyers (R) | 56.8 |
| 2015 | Conrad Appel (R) | John F. Labruzzo Jr. (R) | 13.9 |
| Lines first used in 2002 | |||
| 2011 | Conrad Appel (R) | — | Unopposed |
| 2007 | Steve Scalise (R) | Polly Thomas (R) | 32.7 |
| 2003 | Ken Hollis (R) | Polly Thomas (R) | 22.0 |
| Lines first used in 1992 | |||
| 1999 | Ken Hollis (R) | — | Unopposed |
| 1995 | Ken Hollis (R) | Greg Reinhard (R) | 59.8 |
| Lines first used in 1982 | |||
| 1991 | Ken Hollis (R) | — | Unopposed |
| 1987 | Ken Hollis (R) | — | Unopposed |
| 1983 | Ken Hollis (R) | — | Unopposed |
| Lines first used in 1972 | |||
| 1979 | Elwyn H. Nicholson (D) | Leo E. Kerner Jr. (D) | 39.0 |
| 1975 runoff | Elwyn H. Nicholson (D) | — | Unopposed |
| 1975 | No winner recorded | Elwyn H. Nicholson (D) | — |
| 1972 | Elwyn H. Nicholson (D) | Richard B. Bonnet (R) | 68.1 |
| Lines first used in 1962 | |||
| 1968 | Jesse Knowles · A. C. Clemons Jr. (D) | — | Unopposed |
Primaries: 1971 Democratic primary runoff · 1971 Democratic primary · 1967 Democratic primary
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 9
The state's districts in other chambers that share residents with this one, and the share of District 9's area in each.
- U.S. House
- LA-1 96%
Who lives here, compared
Grey bars show the spread of all 38 seats. Small marks are other seats in Louisiana. The black marker is District 9.
Higher than 97% of seats.
Lower than 73% of seats.
Higher than 92% of seats.
Lower than 86% of seats.
Higher than 86% of seats.
Densest of 38 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 1623% Black · 56% college gradsR+16.7Not up in 2026District 10
21% Hispanic · 37% college gradsR+34.5Not up in 2026District 23
43% college gradsR+46.2Not up in 2026District 11
46% college gradsR+48.6Not 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