Bay St. Louis Flag

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.

11.2K
Total Population
764
Density (mi²)
359 3.3%
Growth

Bay St. Louis Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)