GOTV Intel

Louisiana Senate District 21

State Senate District 21

Covers all of St. Mary Parish; parts of Terrebonne Parish, Iberia Parish, St. Martin Parish, Assumption Parish and Lafourche Parish.

Who Holds This Seat

Robert Allain

Republican · State Senator

Holds This SeatNot running in 2026

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Running in 2026

No 2026 candidates are on file for this seat yet.

The District

Includes Schriever, Franklin, Gray, Berwick, Morgan City, Bayou Cane (part), Charenton, Labadieville, Amelia, Baldwin, Bayou L'Ourse, Bayou Vista and 10 more.

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95 precincts · District lines: State legislative lines: U.S. Census Bureau TIGER/Line 2024 (SLDU/SLDL) · Precinct lines: Louisiana Legislature redistricting office, 2026 Precinct Shapefiles (01-27-2026) (redist.legis.la.gov); 2020 Census VTDs added for the 2020 year layer and the parish-years whose results use the older precinct numbering [LA relink 2026-09-29]; 2020 Census VTDs added for the 2020 year layer and the parish-years whose results use the older precinct numbering [LA relink 2026-09-29]

Results in This District

ContestFirstSecondMarginVotes
2024 President107 precinctsLouisiana Secretary of StateOfficial results"JD" Vance Republican Donald J. Trump (R)20,797 · 68.3%Tim Walz Democratic Kamala D. Harris (D)9,294 · 30.5%R+37.830,458
2022 U.S. Senate107 precinctsLouisiana Secretary of StateOfficial resultsJohn Kennedy (R)20,667 · 71.6%Gary Chambers, Jr. (D)3,830 · 13.3%R+58.328,869
2020 President126 precinctsLouisiana Secretary of StateOfficial resultsMichael Pence Republican Donald J. Trump (R)28,504 · 73.1%Kamala Harris Democratic Joseph R. Biden (D)9,827 · 25.2%R+47.938,986
2020 U.S. Senate126 precinctsLouisiana Secretary of StateOfficial results"Bill" Cassidy (R)26,497 · 71.9%Adrian Perkins (D)4,062 · 11.0%R+60.936,830

Totals add up the certified precinct results for the precincts inside today's district lines. A precinct split by the district line counts in full, or only in the district holding most of its voters where the linkage assigns it to one, and votes a county reported only countywide (some counties' absentee and early votes) are left out, so totals can differ from an official canvass.

Past Results

No certified results for this seat are loaded yet.