akashic
1876–2024
St. John the Baptist Parish, Louisiana
St. John the Baptist Parish·Louisiana

St. John the Baptist Parish has voted Democratic for as long as anyone can remember.

A majority-Black parish along the Mississippi that anchors Democratic margins

18762024·38 elections
St. John the Baptist Parish, Louisiana · Elisa.rolle · Wikimedia Commons
Latest
D+29
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
40,743
2024 ACS
Most similar
Roanoke city
VA · similarity 0.98
35 precincts · 18,827 votes cast
Harris · D+29
Margin
Turnout
Harris +50
Trump +50
Real precinct boundaries. Hover for vote totals.
YearWonMarginDemocraticRepublicanTotal
2024D
+29.1%
12,0436,55718,827
2020D
+28.2%
13,5827,53821,432
2016D
+24.5%
12,6617,56920,743
2012D
+26.3%
13,1797,62021,123
2008D
+16.2%
12,4248,91221,656
2004D
+6.5%
10,3059,03919,617
2000D
+13.1%
9,7457,42317,713
1996D
+22.9%
9,9376,02517,051
1992D
+12.6%
8,9776,73017,851
1988D
+5.6%
8,3667,46416,219
1984R
−8.6%
7,6469,09316,851
1980D
+13.2%
7,6475,81913,861
1976D
+21.9%
5,7003,5979,609
1972R
−10.0%
2,8153,5257,086
1968D
+31.0%
3,2459407,431
1964R
−40.1%
1,6943,9585,652
1960D
+69.8%
3,7824884,720
1956R
−3.5%
1,2781,3722,714
1952D
+53.1%
2,1326542,786
1948D
+22.3%
7993791,880
1944D
+74.3%
1,3241951,519
1940D
+61.4%
1,1922851,477
1936D
+73.9%
1,7422622,004
1932D
+62.1%
7991761,004
1928D
+78.3%
9711181,089
1924D
+26.8%
336194530
1920R
−2.2%
239250489
1916D
+42.2%
289115412
1912D
+37.4%
19074310
1908D
+78.9%
28733322
1904D
+84.1%
28324308
1900D
+57.2%
33190421
1896R
−48.5%
180539740
1892R
−37.9%
5031,1181,621
1888
No data
1884
No data
1880
No data
1876
No data
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
Polish
0.5%
African American
45.6%
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
35.5%
Other Christian
19.0%
Pentecostal & Holiness
2.3%
Baptist
1.8%
Methodist
0.7%
Mainline Protestant
0.3%
Non-Christian
0.1%
Source · 2020 US Religion Census. Remaining 40.3% of residents not counted as adherents by any reporting body.

St. John the Baptist Parish sits between New Orleans and Baton Rouge along the River Road corridor, where a majority-Black population has produced Democratic presidential margins exceeding 25 points in every cycle since 2008.

The Democratic margin in St. John the Baptist Parish reached its widest at eighty-four points in 1904. The margin in 2024 was twenty-nine points — still decisive.

St. John the Baptist Parish's loyalty is rooted in its place. Median household income of $66,630, a 31% non-Hispanic-white share, and a population of 40,743 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Roanoke city and Sharkey County.