| Donald Trump ✓Republican | 66.7% | 3,000 |
|---|---|---|
| Kamala HarrisDemocratic | 31.8% | 1,429 |
| OtherAll other candidates | 1.5% | 67 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −30.7% |
| 2012 | −28.1% |
| 2016 | −36.3% |
| 2020 | −32.2% |
| 2024 | −34.9% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 31.8%Harris1,429 | 66.7%Trump3,000 | 1.5% | 4,496 | ||
| R | 33.1%Biden1,574 | 65.3%Trump3,102 | 1.6%incl. Jorgensen | 4,752 | ||
| R | 30.2%Clinton1,206 | 66.4%Trump2,654 | 3.4%incl. Johnson | 3,994 | ||
| R | 36.0%Obama1,235 | 64.0%Romney2,199 | 0.0% | 3,434 | ||
| R | 33.6%Obama1,307 | 64.3%McCain2,503 | 2.2% | 3,895 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Bay St. LouisCity | MississippiState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 76.7% | 55.8% | 61.0% |
| Black | 13.7% | 36.4% | 12.2% |
| Asian | 1.4% | 1.0% | 6.0% |
| Two or more races | 5.4% | 4.4% | 12.6% |
| Other race | 2.8% | 2.4% | 8.2% |
| Hispanic or Latino | 4.6% | 3.7% | 19.3% |
| Income & Age | |||
| Median household income | $67,442 | $56,447 | $84,427 |
| Poverty rate | 14.5% | 19.0% | 12.5% |
| Median age | 53.3 | 38.6 | 39.1 |
| Age 18–24 | 6.8% | 9.7% | 9.2% |
| Age 65 and older | 22.5% | 17.3% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 26.8% | 25.3% | 35.6% |
| Speaks a non-English language at home | 3.8% | 4.3% | 22.3% |
| Spanish | 1.9% | 2.7% | 13.6% |
| Ancestry | |||
| Largest ancestry | American 12.6% | English 10.6% | German 12.5% |
| 2nd-largest ancestry | English 12.2% | American 10.0% | English 9.5% |
| 3rd-largest ancestry | Irish 11.4% | Irish 7.4% | Irish 9.4% |
| Religion | |||
| Catholic | 12.9%County context | 3.4% | 18.6% |
| Evangelical Protestant | 9.8%County context | 39.0% | 16.5% |
| Unaffiliated or unclaimed | 71.1%County context | 40.7% | 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.
Bay St. Louis sits in the Deep South. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 36.3 points in 2016. Between 2020 and 2024 the city moved 2.8 points toward the Republican candidate; the 2024 margin was 34.9 points.
A population of 10,188, a 77% non-Hispanic-white share, and a median household income of $67,442 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 →
Bay St. Louis, Mississippi. Akashic. https://akashic.app/city/2803980/. Accessed May 20, 2026. License: CC BY 4.0.