Bay St. Louis is a city located in Hancock County, Mississippi. Bay St. Louis has a 2026 population of 11,071. Bay St. Louis is currently growing at a rate of 2.53% annually and its population has increased by 17.33% since the most recent census, which recorded a population of 9,436 in 2020.
The median household income in Bay St. Louis is $67,442 with a poverty rate of 14.51%. The median age in Bay St. Louis is 53.3 years: 53.6 years for males, and 53 years for females. For every 100 females there are 93.8 males.
Data after 2023 is projected based on recent change
Overall: 53.3 years
Female: 53 years
Male: 53.6 years
There are 8,768 adults, (2,869 of whom are seniors) in Bay St. Louis.
Female: 5,258 (51.6%)
Male: 4,930 (48.4%)
The racial composition of Bay St. Louis includes 76.68% White, 13.73% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,812 | 76.68% |
| Black or African American | 1,399 | 13.73% |
| Two or more races | 546 | 5.36% |
| Other race | 273 | 2.68% |
| Asian | 146 | 1.43% |
| Native American | 12 | 0.12% |
Bay St. Louis ' average per capita income is $56,519. Household income levels show a median of $67,442. The poverty rate stands at 14.51%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $107,398 | - |
| Families | $89,063 | $136,549 |
| Households | $67,442 | $122,314 |
| Non Families | $44,213 | $91,313 |
Average Income
Median Household Income
Poverty Rate