St. Tammany Parish, Louisiana
AkashicSt. Tammany Parish, LATrumpR+43.8
2024 precinct map of St. Tammany ParishPrecinct-level 2024 presidential results for St. Tammany 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 | 71.1% | 98,377 |
|---|---|---|
| Kamala HarrisDemocratic | 27.3% | 37,777 |
| Chase OliverLibertarian | 0.3% | 376 |
Harris +50Trump +50
170 precincts · 138,384 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 | 27.3%Harris37,777 | 71.1%Trump98,377 | 0.3%Oliver376 | 138,384 | ||
| R | 26.9%Biden37,746 | 71.1%Trump99,666 | 1.3%Jorgensen1,868 | 140,110 | ||
| R | 22.3%Clinton27,717 | 73.1%Trump90,915 | 2.7%Johnson3,409 | 124,392 | ||
| R | 22.8%Obama25,728 | 75.0%Romney84,723 | 1.4%Libertarian1,637 | 112,902 | ||
| R | 22.5%Obama24,596 | 75.8%McCain83,078 | 1.7%Paul1,868 | 109,542 | ||
| R | 24.5%Kerry24,665 | 74.7%Bush75,139 | 0.8%Nader788 | 100,592 | ||
| R | 27.1%Gore22,722 | 70.7%Bush59,193 | 1.4%Nader1,199 | 83,737 | ||
| R | 32.6%Clinton24,281 | 60.1%Dole44,761 | 6.4%Perot4,741 | 74,526 | ||
| R | 29.5%Clinton19,735 | 56.5%Bush37,839 | 13.5%Perot9,005 | 66,921 | ||
| R | 28.5%Dukakis15,638 | 69.9%Bush38,334 | 1.6%Duke851 | 54,823 | ||
| R | 23.1%Mondale11,719 | 76.1%Reagan38,664 | 0.8%Johnson392 | 50,775 | ||
| R | 33.2%Carter14,161 | 63.7%Reagan27,214 | 3.1%Anderson1,323 | 42,698 | ||
| R | 46.8%Carter14,691 | 50.4%Ford15,822 | 2.8%Maddox886 | 31,399 | ||
| R | 19.0%McGovern3,949 | 74.1%Nixon15,438 | 6.9%Schmitz1,438 | 20,825 | ||
| O | 21.4%Humphrey4,445 | 23.3%Nixon4,846 | 55.2%Wallace11,470 | 20,761 | ||
| R | 45.9%Johnson6,694 | 54.1%Goldwater7,883 | 0.0% | 14,577 | ||
| D | 46.8%Kennedy5,179 | 25.8%Nixon2,850 | 27.4%Byrd3,034 | 11,063 | ||
| R | 44.2%Stevenson3,373 | 51.9%Eisenhower3,965 | 3.9%Andrews301 | 7,639 | ||
| D | 55.4%Stevenson4,465 | 44.6%Eisenhower3,598 | 0.0% | 8,063 | ||
| O | 23.1%Truman1,164 | 15.7%Dewey790 | 61.2%Thurmond3,087 | 5,041 | ||
| D | 83.1%Roosevelt3,450 | 16.9%Dewey703 | 0.0% | 4,153 | ||
| D | 87.0%Roosevelt4,475 | 13.0%Willkie668 | 0.0% | 5,143 | ||
| D | 85.4%Roosevelt3,477 | 14.6%Landon594 | 0.0% | 4,071 | ||
| D | 94.6%Roosevelt3,206 | 5.3%Hoover178 | 0.1%Thomas5 | 3,389 | ||
| D | 65.7%Smith1,811 | 34.3%Hoover945 | 0.0% | 2,756 | ||
| D | 73.9%Davis969 | 20.5%Coolidge269 | 5.6%La Follette73 | 1,311 | ||
| D | 77.8%Cox967 | 22.2%Harding276 | 0.0% | 1,243 | ||
| D | 87.7%Wilson782 | 10.7%Hughes95 | 1.7%Benson15 | 892 | ||
| D | 82.3%Wilson668 | 3.7%Taft30 | 14.0%Roosevelt114 | 812 | ||
| D | 80.6%Bryan755 | 11.4%Taft107 | 8.0%Debs75 | 937 | ||
| D | 83.3%Parker453 | 10.8%Roosevelt59 | 5.9%Debs32 | 544 | ||
| D | 76.4%Bryan515 | 23.6%McKinley159 | 0.0% | 674 | ||
| D | 60.8%Bryan636 | 30.3%McKinley317 | 8.9%Palmer93 | 1,046 | ||
| D | 67.7%Cleveland501 | 32.3%Harrison239 | 0.0% | 740 | ||
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presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +35.4% |
| 1896 | +30.5% |
| 1900 | +52.8% |
| 1904 | +72.4% |
| 1908 | +69.2% |
| 1912 | +78.6% |
| 1916 | +77.0% |
| 1920 | +55.6% |
| 1924 | +53.4% |
| 1928 | +31.4% |
| 1932 | +89.3% |
| 1936 | +70.8% |
| 1940 | +74.0% |
| 1944 | +66.1% |
| 1948 | +7.4% |
| 1952 | +10.8% |
| 1956 | −7.7% |
| 1960 | +21.1% |
| 1964 | −8.2% |
| 1968 | −1.9% |
| 1972 | −55.2% |
| 1976 | −3.6% |
| 1980 | −30.6% |
| 1984 | −53.1% |
| 1988 | −41.4% |
| 1992 | −27.1% |
| 1996 | −27.5% |
| 2000 | −43.6% |
| 2004 | −50.2% |
| 2008 | −53.4% |
| 2012 | −52.3% |
| 2016 | −50.8% |
| 2020 | −44.2% |
| 2024 | −43.8% |
DemocraticRepublican
Across Lake Pontchartrain from New Orleans, St. Tammany has absorbed decades of suburban migration and now returns presidential margins exceeding 40 points, making it one of the most reliably one-sided large counties in the Deep South.
Across the recorded series it reached a Democratic high of 89.3 points in 1932 and a Republican high of 55.2 points in 1972. The 2024 margin was 43.8 points.
A population of 272,421, a 72% non-Hispanic-white share, and a median household income of $81,202 describe the county. The county's voting pattern over the last decade is most similar to that of Canadian County and Autauga County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
St. Tammany Parish, Louisiana. Akashic. https://akashic.app/county/22103/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in St. Tammany Parish
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Frequently asked questions
How did St. Tammany Parish, Louisiana vote in 2024?
In 2024, St. Tammany Parish, Louisiana voted Republican by 43.8 points (R+43.8), carried by the Republican candidate. Out of 138,384 votes cast, 37,777 went Democratic and 98,377 went Republican.
When did St. Tammany Parish, Louisiana last vote Democratic?
The most recent presidential election in which St. Tammany Parish, Louisiana voted Democratic was 1960.
How many people live in St. Tammany Parish, Louisiana?
St. Tammany Parish, Louisiana has a population of 272,421 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in St. Tammany Parish, Louisiana?
Median household income in St. Tammany Parish, Louisiana is $81,202 — above the national median of $80,734. The Louisiana state median is $60,756.
What is the political history of St. Tammany Parish, Louisiana?
Akashic tracks 38 presidential elections in St. Tammany Parish, Louisiana from 1876 to 2024. Of those, 16 went Democratic and 16 went Republican.