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 2026 population of 10,526. Bay St. Louis is currently growing at a rate of 0.23% annually and its population has increased by 11.55% since the most recent census, which recorded a population of 9,436 in 2020.

10.5K
Total Population
716
Density (mi²)
24 0.23%
Growth

Nearby Cities

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)