Question 1

How did Jefferson, Louisiana vote in the 2024 presidential election?

Accepted Answer

Jefferson, Louisiana voted Republican in 2024 with a margin of R+12.9. Kamala D Harris received 75,731 votes and Donald Trump received 98,810 out of 178,205 total votes cast, a 1.9-point shift toward Republicans from 2020.

Question 2

What is Jefferson, Louisiana's political history?

Accepted Answer

Jefferson, Louisiana has 40 presidential elections on record, spanning 1868 to 2024. It has voted Republican in every presidential election since 1964. The largest single-election swing was 97.0 points in 1892.

Question 3

What are the demographics of Jefferson, Louisiana?

Accepted Answer

Jefferson, Louisiana has a population of 430,920 according to the 2020 Census. The racial composition is 47.2% non-Hispanic white, 18.9% Hispanic, 25.5% Black. About 31% of residents hold a bachelor's degree or higher. Median household income is $65,252.

Question 4

Which places are most similar to Jefferson, Louisiana?

Accepted Answer

Based on demographic and electoral similarity analysis, the three most similar countys to Jefferson, Louisiana are Alamance, Tulsa, Duval. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

Group	%
▶White (Non-Hispanic)(13)	47.2%
▶Hispanic / Latino(20)	18.9%
▶Black / African American(10)	25.5%
▶Asian(6)	4.3%
▶Middle Eastern / North African(10)	1.4%
▶Native American / Alaska Native(2)	1.1%
Multiracial / Other	3.0%

Tradition	% Pop	% Adherents
Catholic	44.7%	63.0%
Evangelical Protestant	17.5%	24.7%
Other	4.5%	6.4%
Black Protestant	2.7%	3.8%
Mainline Protestant	1.5%	2.1%
LDS (Mormon)	0.5%	0.8%
Non-religious	29.1%	—

Year	Result
2024	Trump+12.9
2020	Trump+11.1
2016	Trump+14.7
2012	Romney+18.2
2008	McCain+26.6
2004	Bush+23.9
2000	Bush+19.3
1996	Dole+6.7
1992	Bush+19.4

Year	Dem %	Rep %	Margin	Swing
2024	42.5%	55.4%	R+12.9	R+1.9
2020	43.6%	54.7%	R+11.1	D+3.6
2016	40.6%	55.3%	R+14.7	D+3.5
2012	39.9%	58.1%	R+18.2	D+8.3
2008	35.9%	62.5%	R+26.6	R+2.7
2004	37.6%	61.5%	R+23.9	R+4.6
2000	39.3%	58.6%	R+19.3	R+12.6
1996	43.6%	50.3%	R+6.7	D+12.6
1992	34.4%	53.7%	R+19.4	D+15.5
1988	31.9%	66.7%	R+34.8	D+15.1
1984	24.8%	74.7%	R+49.9	R+18.6
1980	32.8%	64.1%	R+31.3	R+16.8
1976	41.8%	56.3%	R+14.5	D+38.9
1972	20.6%	74.0%	R+53.4	R+43.2
1968	22.1%	32.2%	R+10.1	R+2.4
1964	46.1%	53.9%	R+7.8	R+31.6
1960	51.3%	27.5%	D+23.8	D+42.0
1956	39.0%	57.2%	R+18.2	R+24.5
1952	53.1%	46.9%	D+6.2	R+6.3
1948	28.8%	16.2%	D+12.6	—

Jefferson Parish, Louisiana

County in State Context

Ask the Historian