| Donald Trump ✓Republican | 62.1% | 2,250 |
|---|---|---|
| Kamala HarrisDemocratic | 35.8% | 1,296 |
| OtherAll other candidates | 2.2% | 79 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −59.8% |
| 2012 | −61.2% |
| 2016 | −51.7% |
| 2020 | −38.4% |
| 2024 | −26.3% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 35.8%Harris1,296 | 62.1%Trump2,250 | 2.2% | 3,625 | ||
| R | 29.6%Biden1,180 | 68.0%Trump2,711 | 2.4%incl. Jorgensen | 3,987 | ||
| R | 21.2%Clinton757 | 72.9%Trump2,603 | 6.0%incl. Johnson | 3,573 | ||
| R | 19.4%Obama583 | 80.6%Romney2,423 | 0.0% | 3,006 | ||
| R | 19.1%Obama659 | 78.9%McCain2,723 | 2.0% | 3,452 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Old JeffersonCity | LouisianaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 60.6% | 56.9% | 61.0% |
| Black | 27.1% | 30.7% | 12.2% |
| Asian | 2.5% | 1.7% | 6.0% |
| Two or more races | 5.0% | 7.4% | 12.6% |
| Other race | 4.9% | 3.2% | 8.2% |
| Hispanic or Latino | 5.9% | 7.2% | 19.3% |
| Income & Age | |||
| Median household income | $92,075 | $60,756 | $84,427 |
| Poverty rate | 8.8% | 19.0% | 12.5% |
| Median age | 36.5 | 38 | 39.1 |
| Age 18–24 | 14.7% | 9.1% | 9.2% |
| Age 65 and older | 15.3% | 16.8% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 38.5% | 27.1% | 35.6% |
| Speaks a non-English language at home | 9.3% | 8.5% | 22.3% |
| Spanish | 4.6% | 4.7% | 13.6% |
| Ancestry | |||
| Largest ancestry | French 7.1% | French 9.6% | German 12.5% |
| 2nd-largest ancestry | English 7.0% | American 7.4% | Mexican 11.3% |
| 3rd-largest ancestry | German 5.8% | English 7.3% | English 9.5% |
| Religion | |||
| Catholic | 18.8%County context | 26.8% | 18.6% |
| Evangelical Protestant | 28.5%County context | 25.0% | 16.5% |
| Unaffiliated or unclaimed | 36.7%County context | 36.8% | 51.5% |
| Black Protestant | 6.6%County context | 5.4% | 2.2% |
| Mainline Protestant | 5.7%County context | 3.6% | 5.2% |
ACS values are survey estimates and may include margins of error.
Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
Old Jefferson sits in the Gulf South. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 61.2 points in 2012. Between 2020 and 2024 the city moved 12.1 points toward the Democratic candidate; the 2024 margin was 26.3 points.
A population of 7,860, a 61% non-Hispanic-white share, and a median household income of $92,075 describe the city.
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 →
Old Jefferson, Louisiana. Akashic. https://akashic.app/city/2257705/. Accessed May 20, 2026. License: CC BY 4.0.