Voter file loaded June 16, 2026 · figures are from that file, held as a fixed record
Jefferson County, Mississippi has 5,230 active registered voters across 12 precincts, as of July 2026.
Party registration
Mississippi doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | UNION CHURCH | 402 | 197 | 49.0% |
| 2 | OLD HEADSTART BUILDING | 607 | 294 | 48.43% |
| 3 | MT. ISREAL BAPTIST CHURCH | 562 | 268 | 47.69% |
| 4 | LOCUST GROVE BAPTIST CHURCH | 745 | 352 | 47.25% |
| 5 | CITY HALL | 700 | 288 | 41.14% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How Jefferson County voted for president
Election results are public records.
Jefferson County at a glance.
Jefferson County had an estimated 6,900 residents in July 2024, the 79th most populous of Mississippi's 82 counties, down 4.9% since the 2020 census. Of those, 5,403 are 18 or older, the voting-age population, and 21.3% are 65 or older. Its 5,230 active registered voters equal about 96.8% of that voting-age population.
It covers 520 square miles of land (13 people per square mile), and 80.6% of residents live outside any incorporated city or town. Its one incorporated place is Fayette (1,342 residents). The American Community Survey (2020-2024) puts it at a median age of 43.1, a median household income of $38,305, 13.4% of adults 25 and older holding a bachelor's degree or higher and 82.9% of occupied homes owned by the people living in them.
In 2024, 3,299 votes were cast for president, about 61.1% of the voting-age population; the Democratic ticket took 82.7% and the Republican ticket 16.4%. The two-party margin moved from D+74.4 in 2008 to D+66.3 in 2024.
- Population (2024 estimate)
- 6,900
- Population (2020 census base)
- 7,256
- Voting-age population (18+)
- 5,403
- Active voters per 100 adults
- 96.8
- Residents 65 and older
- 21.3%
- People per square mile
- 13
- Living outside incorporated places
- 80.6%
- Land area
- 520 sq mi
- Median age
- 43.1
- Median household income
- $38,305
- Adults 25+ with a bachelor's degree
- 13.4%
- Owner-occupied homes
- 82.9%
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 82.7% | 16.4% | D+66.3 | 3,299 |
| 2020 | 85.1% | 13.6% | D+71.5 | 3,911 |
| 2016 | 86.5% | 12.7% | D+73.8 | 3,859 |
| 2012 | 88.7% | 10.9% | D+77.8 | 3,953 |
| 2008 | 86.7% | 12.3% | D+74.4 | 4,478 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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