Jefferson County, Mississippi

2024 results by precinct

12 precincts · 3,299 votes cast

Harris · D+66

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	D	+66.3%	2,727	541	3,299
2020	D	+71.5%	3,327	531	3,908
2016	D	+73.8%	3,337	490	3,860
2012	D	+78.6%	3,951	468	4,433
2008	D	+74.4%	3,883	551	4,478
2004	D	+63.2%	2,821	630	3,469
2000	D	+64.1%	2,786	600	3,408
1996	D	+65.5%	2,531	489	3,119
1992	D	+63.4%	2,796	562	3,522
1988	D	+58.5%	2,693	702	3,401
1984	D	+56.1%	3,049	856	3,912
1980	D	+56.9%	2,871	751	3,724
1976	D	+52.0%	2,562	782	3,426
1972	D	+12.5%	1,457	1,131	2,608
1968	D	+58.4%	2,121	147	3,380
1964	R	−89.6%	69	1,258	1,327
1960	D	+8.4%	229	137	1,094
1956	D	+26.1%	440	189	962
1952	R	−6.2%	539	610	1,149
1948	D	+0.1%	15	14	996
1944	D	+93.7%	766	25	791
1940	D	+98.3%	801	7	808
1936	D	+97.9%	884	9	894
1932	D	+93.2%	753	24	782
1928	D	+85.9%	830	63	893
1924	D	+81.7%	497	50	547
1920	D	+93.5%	430	14	445
1916	D	+98.5%	456	3	460
1912	D	+94.2%	408	2	431
1908	—	No data	—	—	—
1904	—	No data	—	—	—
1900	D	+92.7%	491	18	510
1896	D	+83.4%	627	55	686
1892	D	+88.5%	413	20	444
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

1.5%

African American

66.3%

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.

Age distribution by sex

Median age: 43.1 in this county, 39.1 nationally

Male

Age

Female

0.6%

85+

1.1%

3.2%

75–84

4.8%

4.4%

65–74

6.1%

5.9%

55–64

7.7%

6.9%

45–54

5.8%

5.1%

35–44

6.6%

6.8%

25–34

3.5%

6.0%

18–24

5.0%

7.4%

5–17

8.1%

2.9%

2.1%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$38,305

Jefferson County ranks in the bottom 5% of US counties.

Jefferson County$38,305

Mississippi$56,447

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

32.5%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

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

Methodist

14.5%

Baptist

12.7%

Other Christian

7.9%

Catholic & Orthodox

1.3%

Mainline Protestant

0.6%

Source · 2020 US Religion Census. Remaining 63.0% of residents not counted as adherents by any reporting body.

Jefferson County's electorate is roughly 85% Black, producing presidential margins that routinely rank among the widest of any county in the United States. Its small, rural population and persistent poverty rate shape a political profile defined more by demography than by urban density.

The unraveling was not abrupt. The Democratic margin in Jefferson County peaked at ninety-eight points in 1916; it narrowed steadily over the late twentieth century. The 1968 election delivered the county to the Republican party for the first time in many years, by a margin of fifty-eight points. By 2024, the margin had widened further.

The economic and demographic context is severe. Jefferson County's median household income of $38,305 is among the lowest of any county in the United States; 33% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Greene County and Bullock County.

Most similar counties

Jefferson County changed its political identity.