The Town Files

Bay St. Louis, Mississippi

City in Hancock County · population 9,284 (2020 Census)

Map: where Bay St. Louis is in MississippiBay St. Louis
Median home
$260,200
Household income
$67,442
Jan low / Jul high
42° / 89°
Snow a year
0 in
Tornadoes ≤10 mi since 1950
51
Median age
53.3

Bay St. Louis is a city of 9,284 people in Hancock County, Mississippi. The median home is worth $260,200, above the typical Mississippi town ($124,700). It ranks better for a vacation home than 100% of Mississippi towns, more seaside character than 99% of Mississippi towns, more upscale than 94% of Mississippi towns.

Bay St. Louis in our rankings:

How Bay St. Louis ranks

Percentile among Mississippi towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Mississippi towns.

Bay St. Louis lifestyle rankings vs other Mississippi townsRetirement86th pctFamilies68th pctQuiet76th pctWalkability82nd pctFirst-time buyers29th pctYoung professionals42nd pctVibrancy83rd pctHip & trendy82nd pctCollege town32nd pctUpscale94th pctVacation homes100th pctSeaside character99th pctCyclingbottomTransitbottomDriving7th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Bay St. Louis is worth $260,200, above the typical Mississippi town ($124,700). Homes cost about 3.9 times the median household income of $67,442, which is more affordable than 11% of Mississippi towns. Median rent is $1,179 a month. 76.7% of households own their home.

Bay St. Louis vs Hancock County vs typical Mississippi townBay St. LouisHancock CountyTypical Mississippi townHome value$260,200$224,200$124,700Household income$67,442$67,708$45,965Monthly rent$1,179$977$820
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Mississippi towns with 500+ people.
HousingBay St. LouisTypical Mississippi town
Median home value$260,200$124,700
Median rent$1,179$820
Median household income$67,442$45,965
Home value ÷ income3.9×2.8×
Homeownership76.7%65.3%
Median year built19951979
Seasonal / vacation homes13.9%—

Who lives in Bay St. Louis

PeopleBay St. LouisTypical Mississippi town
Median age53.337.3
Age 65 and over28.2%16.6%
Under 1813.9%—
Bachelor's degree or higher38.3%19.4%
Below the poverty line14.5%22.9%
Veterans10.1%—
Born outside the U.S.2.7%—
Work from home15.6%4.0%
Average commute27.1 min23.9 min
Homes with broadband91.1%83.3%

Weather in Bay St. Louis

July highs average 88.5°F and January lows 41.6°F. About 65.0 inches of rain and melted snow fall a year, with 0.0 inches of snow (typical Mississippi town: 0.5 in). Expect about 48 days a year at 90°F or hotter and 17 nights at or below freezing.

Bay St. Louis monthly temperatures and precipitation40°50°60°70°80°90°59°42°Jan63°44°Feb69°51°Mar75°58°Apr82°66°May87°72°Jun89°74°Jul89°74°Aug86°70°Sep78°59°Oct68°49°Nov61°43°DecPrecipitation (in)5.84.75.35.65.86.57.75.95.73.54.14.4
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Waveland station (2.5 mi away); snow from Stennis-Diamondhead (6.5 mi).

Tornadoes, storms and disasters

51 tornadoes have passed within 10 miles of Bay St. Louis since 1950, compared with 31 for the typical Mississippi town. 11 rated (E)F2 or stronger. The strongest, an F3, struck on May 19, 1980 about 0.5 miles from the town center. The most recent was on April 10, 2024.

Tornadoes within 10 miles of Bay St. Louis by decade21950s51960s101970s71980s51990s82000s12010s132020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 29 times; the largest was 1.75 inches on May 25, 2010.

Severe weather in Hancock County since 1996

Storm events in Hancock County since 1996 by typeHail47Flood4Drought12Tornado44Lightning9Waterspout5Flash Flood32Funnel Cloud7
NOAA Storm Events Database, Hancock County, 1996–2026 (all event types recorded since 1996). 2 deaths recorded.

Hancock County has been included in 33 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.

DeclaredIncidentDeclaration
August 3, 2026Tropical StormDR-4930: Tropical Storm Arthur
February 6, 2026Winter StormDR-4899: Severe Winter Storm
January 24, 2026Winter StormEM-3640: Severe Winter Storm
June 10, 2024Severe StormDR-4790: Severe Storms, Straight-Line Winds, Tornadoes, And Flooding
October 22, 2021HurricaneDR-4626: Hurricane Ida

Jobs and pay in Hancock County

Hancock County had 14,399 jobs in 2024, paying an average of $62,168 a year. Unemployment was 3.3% in 2023; in Bay St. Louis itself the ACS puts it at 7.8%.

Largest industries in Hancock CountyHotels & restaurants2,517 jobs · $26,575Retail1,605 jobs · $28,736Professional & technical serv…1,230 jobs · $79,255Manufacturing1,003 jobs · $90,063Administrative & support806 jobs · $63,915Construction735 jobs · $64,456
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Hancock County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023Hancock 3.3%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Bay St. Louis

4 public schools with 1,843 students, about 12.6 students per teacher.

SchoolGradesStudentsPer teacher
BAY HIGH SCHOOL9-1249911.9
SOUTH HANCOCK ELEMENTARY SCHOOLPK-549412.7
NORTH BAY ELEMENTARY SCHOOL2-547614.0
Bay Waveland Middle School6-837412.1

Towns near Bay St. Louis

Bay St. Louis questions

Is Bay St. Louis, Mississippi a good place to retire?

On The Town Files lifestyle rankings, Bay St. Louis scores better for retirees than 86% of Mississippi towns and quieter than 76%. 28.2% of residents are 65 or older (median age 53.3).

How much does a house cost in Bay St. Louis?

The median owner-occupied home in Bay St. Louis is valued at $260,200 (Census ACS 2020–2024), against a median household income of $67,442, so homes cost about 3.9 times income. Median rent is $1,179 a month.

What is the weather like in Bay St. Louis?

July highs average 88.5°F and January lows 41.6°F (NOAA 1991–2020 normals). It gets about 65.0 inches of precipitation a year and 0.0 inches of snow.

Does Bay St. Louis get tornadoes?

51 tornadoes have passed within 10 miles of Bay St. Louis since 1950 (NOAA Storm Events); the strongest was a F3 on May 19, 1980. The typical Mississippi town has had 31.

How this page is made. Every number comes from public data, matched to Bay St. Louis's Census boundary (GEOID 2803980). Comparisons use the median of Mississippi towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.