Louisiana State Senate seat · lines in effect since 2022
Louisiana Senate District 12
A district of about 125,000 people, 23% Black, 21% of adults with a bachelor's degree. It votes R+47.2 relative to the nation for president.
2023 election
Oct 14, 2023- Beth Mizell (R) · won78.2%
- Brittany "Britt" Gondolfi (D)12.5%
- Gloria W. Kates (D)9.2%
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
20 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 | Beth Mizell (R) | Brittany "Britt" Gondolfi (D) | 65.7 |
| Lines first used in 2012 | |||
| 2019 | Beth Mizell (R) | Darrell Fairburn (D) | 37.2 |
| 2015 runoff | Beth Mizell (R) | Mickey Murphy (D) | 16.1 |
| 2015 | No winner recorded | Beth Mizell (R) | — |
| Lines first used in 2002 | |||
| 2011 | Ben W. Nevers (D) | Beth Mizell (R) | 1.2 |
| 2007 | Ben W. Nevers (D) | — | Unopposed |
| 2003 runoff | Ben W. Nevers (D) | — | Unopposed |
| 2003 | No winner recorded | Ben W. Nevers (D) | — |
| Lines first used in 1992 | |||
| 1999 | Jerry Thomas (R) | Stanley Middleton (D) | 52.6 |
| 1999 special election | Jerry Thomas (R) | A. G. Crowe (R) | 32.8 |
| 1995 runoff | Phil Short (R) | B. B. Rayburn (D) | 1.3 |
| 1995 | No winner recorded | B. B. Rayburn (D) | — |
| Lines first used in 1982 | |||
| 1991 | B. B. Rayburn (D) | Gerald Creel Sr. (R) | 42.5 |
| 1987 | B. B. Rayburn (D) | Roy Crawford (D) | 50.9 |
| 1983 | B. B. Rayburn (D) | Roy Crawford (D) | 58.9 |
| Lines first used in 1972 | |||
| 1979 | B. B. Rayburn (D) | Richie Martin (R) | 49.0 |
| 1975 runoff | B. B. Rayburn (D) | — | Unopposed |
| 1975 | No winner recorded | B. B. Rayburn (D) | — |
| 1972 | B. B. Rayburn (D) | — | Unopposed |
| Lines first used in 1962 | |||
| 1968 | Frank J. Diesi (D) | W. G. Owen (R) | 64.1 |
Primaries: 1971 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 12
The state's districts in other chambers that share residents with this one, and the share of District 12's area in each.
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 12.
Lower than 65% of seats.
Higher than 76% of seats.
Lower than 78% of seats.
Lower than 59% of seats.
Lower than 89% of seats.
Less dense than 59% 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 3323% Black · 24% college gradsR+53.4Not up in 2026District 28
25% BlackR+50.1Not up in 2026District 31
26% Black · 23% college gradsR+44.8Not up in 2026District 36
25% Black · 26% college gradsR+43.8Not 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