Bay St. Louis

County:: Hancock County
County Seat:: No
Area (mi²):: 14.692
State:: Mississippi

Bay St. Louis is a city located in Hancock County, Mississippi. Bay St. Louis has a 2025 population of 11,229. Bay St. Louis is currently growing at a rate of 3.3% annually and its population has increased by 19.03% since the most recent census, which recorded a population of 9,434 in 2020.

The average household income in Bay St. Louis is $115,830 with a poverty rate of 13.67%. The median age in Bay St. Louis is 52.8 years: 53.5 years for males, and 52.4 years for females.

Demographics

The racial composition of Bay St. Louis includes 75.78% White, 15.14% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	7,556	75.78%
Black or African American	1,510	15.14%
Two or more races	505	5.06%
Other race	261	2.62%
Asian	139	1.39%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Bay St. Louis Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Bay St. Louis' average per capita income is $49,352. Household income levels show a median of $70,082. The poverty rate stands at 13.67%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$102,672	-
Families	$92,446	$124,125
Households	$70,082	$115,830
Non Families	$44,186	$94,338

$49,352

Average Income

$70,082

Median Household Income

13.67%

Poverty Rate