Bay St. Louis, MS
Population 9,971 · Mississippi
About Bay St. Louis, MS
Bay St. Louis is a small community in Mississippi with a population of 9,971 residents. The median household income is $70,082 per year, which is above the national average. The median age in Bay St. Louis is 52.8 years.
Housing in Bay St. Louis has a median home value of $231,900 and median monthly rent of $1,138. Of the 5,888 total housing units, the majority are owner-occupied, with 3,568 owner-occupied and 1,153 renter-occupied units.
The unemployment rate in Bay St. Louis is 7.4% and the poverty rate is 13.7%. 35.2% of residents hold a bachelor's degree or higher. The average commute time is 31.4 minutes.
How Bay St. Louis Ranks in Mississippi
Cost of Living in Bay St. Louis, MS
Compared to national averages, Bay St. Louis has a median household income of $70,082 (7% below the national median of $75,149). Home values average $231,900, which is 5% below the national median. Monthly rent at $1,138 is 2% below the US average of $1,163. Within Mississippi, Bay St. Louis's income is 40% above the state average of $49,929, and home values are 84% above the state median of $125,705.
Why Live in Bay St. Louis, MS?
Bay St. Louis offers affordable housing with a median home value of $231,900, below the US average of $244,900, and rent that’s lower than the national average at $1,138/month, and a well-educated community where 35.2% of residents hold a bachelor’s degree or higher.
Potential considerations include median household income ($70,082) that falls below the national average. However, Bay St. Louis’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Bay St. Louis has a population of 9,971 with a median age of 52.8 years. Compare Bay St. Louis with other cities to see how it stacks up, or explore all cities in Mississippi.
Similar Cities Near Bay St. Louis
Cities in Mississippi with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| West Point | 9,967 | $35,055 | $119,300 | Compare |
| Yazoo City | 10,270 | $28,722 | $93,000 | Compare |
| Flowood | 10,384 | $83,204 | $288,400 | Compare |
| Indianola | 9,360 | $39,275 | $119,100 | Compare |
| Diamondhead | 9,338 | $86,208 | $236,700 | Compare |
| Cleveland | 10,855 | $43,519 | $162,300 | Compare |
| Canton | 10,863 | $34,812 | $111,800 | Compare |
| Booneville | 9,060 | $50,112 | $123,500 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Mississippi
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Bay St. Louis
What is the population of Bay St. Louis, MS?
The population of Bay St. Louis, MS is 9,971 according to the latest Census data.
What is the median household income in Bay St. Louis?
The median household income in Bay St. Louis, MS is $70,082 per year.
What is the median home value in Bay St. Louis?
The median home value in Bay St. Louis, MS is $231,900.
What is the average rent in Bay St. Louis?
The median monthly rent in Bay St. Louis, MS is $1,138.
What is the unemployment rate in Bay St. Louis?
The unemployment rate in Bay St. Louis, MS is 7.4%.