St. Mary Parish, Louisiana
AkashicSt. Mary Parish, LATrumpR+31.9
2024 precinct map of St. Mary ParishPrecinct-level 2024 presidential results for St. Mary Parish, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 65.4% | 13,671 |
|---|---|---|
| Kamala HarrisDemocratic | 33.6% | 7,011 |
| Robert F Kennedy Jr.We The People | 0.2% | 36 |
Harris +50Trump +50
46 precincts · 20,897 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 33.6%Harris7,011 | 65.4%Trump13,671 | 0.2%Kennedy36 | 20,897 | ||
| R | 34.7%Biden8,055 | 63.9%Trump14,811 | 0.7%Jorgensen173 | 23,186 | ||
| R | 35.2%Clinton8,050 | 62.8%Trump14,359 | 1.1%Johnson245 | 22,877 | ||
| R | 40.0%Obama9,450 | 58.7%Romney13,885 | 0.6%Libertarian144 | 23,640 | ||
| R | 40.8%Obama9,345 | 57.6%McCain13,183 | 1.6%Paul375 | 22,903 | ||
| R | 42.1%Kerry9,547 | 56.7%Bush12,877 | 1.2%Nader270 | 22,694 | ||
| R | 45.2%Gore9,851 | 51.9%Bush11,325 | 1.0%Nader214 | 21,810 | ||
| D | 55.0%Clinton12,402 | 35.5%Dole8,018 | 8.2%Perot1,850 | 22,569 | ||
| D | 45.4%Clinton10,648 | 37.5%Bush8,792 | 13.9%Perot3,257 | 23,440 | ||
| R | 46.4%Dukakis10,364 | 51.7%Bush11,540 | 1.9%Duke414 | 22,318 | ||
| R | 37.7%Mondale9,411 | 61.2%Reagan15,275 | 1.2%Johnson288 | 24,974 | ||
| D | 48.6%Carter10,506 | 48.0%Reagan10,378 | 3.3%Anderson722 | 21,606 | ||
| D | 50.3%Carter9,401 | 47.7%Ford8,919 | 2.1%Maddox388 | 18,708 | ||
| R | 27.3%McGovern4,435 | 68.4%Nixon11,117 | 4.3%Schmitz691 | 16,243 | ||
| O | 31.9%Humphrey5,312 | 27.5%Nixon4,586 | 40.6%Wallace6,761 | 16,659 | ||
| D | 57.0%Johnson7,327 | 43.0%Goldwater5,530 | 0.0% | 12,857 | ||
| D | 61.6%Kennedy6,671 | 27.6%Nixon2,992 | 10.8%Byrd1,169 | 10,832 | ||
| R | 35.9%Stevenson2,395 | 61.5%Eisenhower4,097 | 2.6%Andrews171 | 6,663 | ||
| R | 49.0%Stevenson4,249 | 51.0%Eisenhower4,417 | 0.0% | 8,666 | ||
| O | 26.2%Truman918 | 23.5%Dewey824 | 50.3%Thurmond1,761 | 3,503 | ||
| D | 87.0%Roosevelt3,591 | 13.0%Dewey538 | 0.0% | 4,129 | ||
| D | 83.3%Roosevelt3,686 | 16.7%Willkie739 | 0.0% | 4,425 | ||
| D | 80.0%Roosevelt1,942 | 20.0%Landon487 | 0.0% | 2,429 | ||
| D | 81.4%Roosevelt2,072 | 18.6%Hoover473 | 0.0% | 2,545 | ||
| D | 74.4%Smith1,754 | 25.6%Hoover605 | 0.0% | 2,359 | ||
| D | 49.2%Davis639 | 48.7%Coolidge633 | 2.2%La Follette28 | 1,300 | ||
| R | 40.6%Cox539 | 59.4%Harding788 | 0.0% | 1,327 | ||
| D | 45.9%Wilson652 | 11.4%Hughes162 | 42.6%Benson605 | 1,419 | ||
| D | 61.6%Wilson652 | 13.9%Taft147 | 24.5%Roosevelt259 | 1,058 | ||
| D | 71.7%Bryan767 | 25.5%Taft273 | 2.8%Debs30 | 1,070 | ||
| D | 79.2%Parker749 | 20.4%Roosevelt193 | 0.4%Debs4 | 946 | ||
| D | 57.4%Bryan818 | 42.6%McKinley606 | 0.0% | 1,424 | ||
| D | 49.3%Bryan591 | 48.3%McKinley580 | 2.4%Palmer29 | 1,200 | ||
| D | 82.2%Cleveland1,311 | 17.8%Harrison284 | 0.0% | 1,595 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +64.4% |
| 1896 | +0.9% |
| 1900 | +14.9% |
| 1904 | +58.8% |
| 1908 | +46.2% |
| 1912 | +47.7% |
| 1916 | +34.5% |
| 1920 | −18.8% |
| 1924 | +0.5% |
| 1928 | +48.7% |
| 1932 | +62.8% |
| 1936 | +59.9% |
| 1940 | +66.6% |
| 1944 | +73.9% |
| 1948 | +2.7% |
| 1952 | −1.9% |
| 1956 | −25.5% |
| 1960 | +34.0% |
| 1964 | +14.0% |
| 1968 | +4.4% |
| 1972 | −41.1% |
| 1976 | +2.6% |
| 1980 | +0.6% |
| 1984 | −23.5% |
| 1988 | −5.3% |
| 1992 | +7.9% |
| 1996 | +19.4% |
| 2000 | −6.8% |
| 2004 | −14.7% |
| 2008 | −16.8% |
| 2012 | −18.8% |
| 2016 | −27.6% |
| 2020 | −29.1% |
| 2024 | −31.9% |
DemocraticRepublican
St. Mary Parish sits at the edge of Louisiana's Atchafalaya Basin, where the offshore energy industry anchors both the local economy and a voter profile that has shifted decisively rightward over the past two decades, reaching an R+31.9 margin in 2024.
Across the recorded series it reached a Democratic high of 73.9 points in 1944 and a Republican high of 41.1 points in 1972. Between 2020 and 2024 the county moved 2.7 points toward the Republican candidate; the 2024 margin was 31.9 points.
A population of 47,828, a 53% non-Hispanic-white share, and a median household income of $52,576 describe the county. The county's voting pattern over the last decade is most similar to that of Wheeler County and Lanier County.
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Compare two places, side by side
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
St. Mary Parish, Louisiana. Akashic. https://akashic.app/county/22101/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did St. Mary Parish, Louisiana vote in 2024?
In 2024, St. Mary Parish, Louisiana voted Republican by 31.9 points (R+31.9), carried by the Republican candidate. Out of 20,897 votes cast, 7,011 went Democratic and 13,671 went Republican.
When did St. Mary Parish, Louisiana last vote Democratic?
The most recent presidential election in which St. Mary Parish, Louisiana voted Democratic was 1996.
How many people live in St. Mary Parish, Louisiana?
St. Mary Parish, Louisiana has a population of 47,828 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in St. Mary Parish, Louisiana?
Median household income in St. Mary Parish, Louisiana is $52,576 — below the national median of $80,734. The Louisiana state median is $60,756.
What is the political history of St. Mary Parish, Louisiana?
Akashic tracks 38 presidential elections in St. Mary Parish, Louisiana from 1876 to 2024. Of those, 19 went Democratic and 13 went Republican.