What kinds of homes are in Ballwin, MO?

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

Ballwin, MO has 12,563 (±425) homes (2020–2024 American Community Survey).

That is about 1,383 homes per square mile of land.

81.2% are detached single-family houses.

5.0% are in buildings of two to four units.

6.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 12,563 (±425)
Detached houses: 81.2%
2–4 unit buildings: 5.0%
5+ unit buildings: 6.8%

Homes in Ballwin by building size

Housing units by units in structure, 2020–2024
Building type	Ballwin	St. Louis County	Missouri	United States
Single-family, detached	81.2% (±3.0 points)	72.0%	70.5%	61.3%
Single-family, attached (townhouse, rowhouse)	7.1% (±2.1 points)	4.6%	3.7%	6.2%
2 units	0.1% (±0.1 points)	1.5%	3.2%	3.4%
3 or 4 units	4.9% (±1.5 points)	4.9%	4.6%	4.3%
5 to 9 units	4.4% (±1.4 points)	5.6%	3.6%	4.5%
10 to 19 units	1.6% (±0.9 points)	4.7%	3.4%	4.3%
20 or more units	0.8% (±0.5 points)	6.3%	5.8%	10.3%
Mobile home	0.0% (±0.3 points)	0.3%	5.2%	5.6%
Boat, RV, van, etc.	0.0% (±0.3 points)	0.0%	0.1%	0.1%

In Ballwin, the share of homes in buildings of five or more units is lower than in St. Louis County (16.6%).

It is also lower than in Missouri (12.8%).

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

Homes in buildings of 5 or more units in places near Ballwin

Nearest places with a published estimate, compared with Ballwin
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Ballwin	—	6.8% (±1.7 points)	—
Winchester	1.3 mi	0.0% (±8.3 points)	Not measurably different
Ellisville	2.1 mi	19.7% (±4.7 points)	Higher
Manchester	2.5 mi	20.5% (±4.7 points)	Higher
Clarkson Valley	3.1 mi	0.0% (±6.8 points)	Not measurably different
Twin Oaks	3.3 mi	64.3% (±17.4 points)	Higher
Valley Park	4.3 mi	36.3% (±7.7 points)	Higher
Chesterfield	4.6 mi	21.2% (±2.5 points)	Higher
Town and Country	4.6 mi	9.8% (±4.2 points)	Not measurably different

Nearby places with a measurably higher figure: Ellisville, MO (19.7%), Manchester, MO (20.5%), Twin Oaks, MO (64.3%).

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 St. Louis County, place by place

Rank	Place	Homes in buildings of 5 or more units
46	Concord	8.5% (±2.5 points)
47	Green Park	8.4% (±5.1 points)
48	Eureka	8.3% (±3.8 points)
49	Affton	8.2% (±1.8 points)
50	Pagedale	7.6% (±4.1 points)
51	Oakland	7.1% (±8.9 points)
52	Ballwin	6.8% (±1.7 points)
53	Dellwood	6.4% (±9.2 points)
54	Edmundson	6.3% (±5.4 points)
55	Moline Acres	5.4% (±6.3 points)
56	Wildwood	4.9% (±1.4 points)
57	Hillsdale	4.8% (±10.2 points)
58	Northwoods	3.5% (±6.0 points)

Showing 13 of 98 places in St. Louis County, ranked from highest to lowest.

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 Ballwin

How many homes are in Ballwin?

Ballwin, MO has an estimated 12,563 (±425) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Ballwin houses or apartments?

81.2% are detached houses and 7.1% attached houses, while 11.8% are in buildings of two or more units.

How many two-family and small multifamily homes are in Ballwin?

5.0% of homes in Ballwin 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 — Ballwin city, Missouri

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 Ballwin city, Missouri (place:03160, in state:29).

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.