What kinds of homes are in Bay St. Louis, MS?

Name: Types of homes in Bay St. Louis, MS, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Bay St. Louis, MS has 6,418 (±403) homes (2020–2024 American Community Survey).

That is about 437 homes per square mile of land.

81.5% are detached single-family houses.

3.8% are in buildings of two to four units.

9.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 6,418 (±403)
Detached houses: 81.5%
2–4 unit buildings: 3.8%
5+ unit buildings: 9.7%

Homes in Bay St. Louis by building size

Housing units by units in structure, 2020–2024
Building type	Bay St. Louis	Hancock County	Mississippi	United States
Single-family, detached	81.5% (±4.2 points)	79.0%	69.3%	61.3%
Single-family, attached (townhouse, rowhouse)	1.9% (±1.6 points)	1.4%	1.4%	6.2%
2 units	2.2% (±1.6 points)	1.3%	2.4%	3.4%
3 or 4 units	1.6% (±1.1 points)	2.6%	3.2%	4.3%
5 to 9 units	3.7% (±1.8 points)	2.1%	3.9%	4.5%
10 to 19 units	1.3% (±0.9 points)	1.9%	2.4%	4.3%
20 or more units	4.7% (±2.5 points)	1.3%	2.8%	10.3%
Mobile home	3.0% (±2.2 points)	10.2%	14.4%	5.6%
Boat, RV, van, etc.	0.2% (±0.3 points)	0.2%	0.2%	0.1%

In Bay St. Louis, the share of homes in buildings of five or more units is higher than in Hancock County (5.3%).

It is not measurably different from Mississippi (9.1%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Bay St. Louis

Nearest places with a published estimate, compared with Bay St. Louis
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Bay St. Louis	—	9.7% (±3.2 points)	—
Waveland	2.8 mi	12.9% (±5.7 points)	Not measurably different
Diamondhead	4.1 mi	1.6% (±1.8 points)	Lower
DeLisle	6.4 mi	0.0% (±12.3 points)	Not measurably different
Pass Christian	7.1 mi	7.0% (±2.9 points)	Not measurably different
Kiln	7.8 mi	2.2% (±6.7 points)	Lower
Long Beach	12 mi	15.2% (±3.9 points)	Higher
Pearlington	16 mi	0.0% (±11.1 points)	Not measurably different
Gulfport	19 mi	18.6% (±2.0 points)	Higher

Nearby places with a measurably lower figure: Diamondhead, MS (1.6%), Kiln, MS (2.2%).

Nearby places with a measurably higher figure: Long Beach, MS (15.2%), Gulfport, MS (18.6%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Hancock County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Waveland	12.9% (±5.7 points)
2	Bay St. Louis	9.7% (±3.2 points)
3	Kiln	2.2% (±6.7 points)
4	Diamondhead	1.6% (±1.8 points)
5	Pearlington	0.0% (±11.1 points)

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Bay St. Louis

How many homes are in Bay St. Louis?

Bay St. Louis, MS has an estimated 6,418 (±403) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Bay St. Louis houses or apartments?

81.5% are detached houses and 1.9% attached houses, while 13.5% are in buildings of two or more units.

How many two-family and small multifamily homes are in Bay St. Louis?

3.8% of homes in Bay St. Louis are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Bay St. Louis city, Mississippi

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Bay St. Louis city, Mississippi (place:03980, in state:28).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.