| Donald Trump ✓Republican | 50.2% | 3,200 |
|---|---|---|
| Kamala HarrisDemocratic | 47.6% | 3,040 |
| OtherAll other candidates | 2.2% | 140 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −9.4% |
| 2012 | −2.3% |
| 2016 | −1.6% |
| 2020 | +2.5% |
| 2024 | −2.5% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 47.6%Harris3,040 | 50.2%Trump3,200 | 2.2% | 6,380 | ||
| D | 50.4%Biden3,994 | 47.9%Trump3,799 | 1.7%incl. Jorgensen | 7,927 | ||
| R | 47.3%Clinton3,274 | 48.9%Trump3,385 | 3.9%incl. Johnson | 6,929 | ||
| R | 48.9%Obama3,586 | 51.1%Romney3,752 | 0.0% | 7,338 | ||
| R | 44.3%Obama3,136 | 53.7%McCain3,805 | 2.0% | 7,081 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | GretnaCity | LouisianaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 39.3% | 56.9% | 61.0% |
| Black | 30.0% | 30.7% | 12.2% |
| Asian | 3.9% | 1.7% | 6.0% |
| Two or more races | 16.3% | 7.4% | 12.6% |
| Other race | 10.4% | 3.2% | 8.2% |
| Hispanic or Latino | 24.5% | 7.2% | 19.3% |
| Income & Age | |||
| Median household income | $43,110 | $60,756 | $84,427 |
| Poverty rate | 26.9% | 19.0% | 12.5% |
| Median age | 38.3 | 38 | 39.1 |
| Age 18–24 | 7.4% | 9.1% | 9.2% |
| Age 65 and older | 18.7% | 16.8% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 30.5% | 27.1% | 35.6% |
| Speaks a non-English language at home | 21.4% | 8.5% | 22.3% |
| Spanish | 14.3% | 4.7% | 13.6% |
| Vietnamese | 1.7% | 0.5% | 0.5% |
| Arabic | 1.4% | 0.3% | 0.4% |
| Other Indo-European | 1.3% | 0.5% | 2.0% |
| Ancestry | |||
| Largest ancestry | French 10.5% | French 9.6% | German 12.5% |
| 2nd-largest ancestry | German 9.3% | American 7.4% | English 9.5% |
| 3rd-largest ancestry | Italian 9.0% | English 7.3% | Irish 9.4% |
| Religion | |||
| Catholic | 44.7%County context | 26.8% | 18.6% |
| Evangelical Protestant | 17.5%County context | 25.0% | 16.5% |
| Unaffiliated or unclaimed | 29.0%County context | 36.8% | 51.5% |
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.
Gretna sits in the Gulf South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 2.5 points in 2020 and a Republican high of 9.4 points in 2008. Between 2020 and 2024 the city moved 5.0 points toward the Republican candidate; the 2024 margin was 2.5 points.
A population of 17,389, a 39% non-Hispanic-white share, and a median household income of $43,110 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 →
Gretna, Louisiana. Akashic. https://akashic.app/city/2231915/. Accessed May 20, 2026. License: CC BY 4.0.