How many bedrooms do homes in Lake St. Louis, MO have?

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

In Lake St. Louis, MO, 13.2% of homes are studios or one-bedrooms and 66.3% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 4 bedrooms, 28.5% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 13.2%
3 or more bedrooms: 66.3% (±6.3 points)
Most common: 4 bedrooms

Homes in Lake St. Louis by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Lake St. Louis	St. Charles County	Missouri	United States
No bedroom (studio)	2.4% (±2.1 points)	1.3%	2.0%	2.9%
1 bedroom	10.8% (±3.5 points)	5.6%	9.7%	10.9%
2 bedrooms	20.4% (±4.6 points)	17.5%	26.1%	25.0%
3 bedrooms	28.4% (±4.5 points)	43.4%	41.3%	38.7%
4 bedrooms	28.5% (±3.8 points)	26.6%	16.3%	17.5%
5 or more bedrooms	9.4% (±2.3 points)	5.6%	4.6%	4.9%

In Lake St. Louis, the share of homes with three or more bedrooms is lower than in St. Charles County (75.6%).

It is not measurably different from Missouri (62.2%).

It is not measurably different from the national figure (61.1%).

Homes with 3 or more bedrooms in places near Lake St. Louis

Nearest places with a published estimate, compared with Lake St. Louis
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Lake St. Louis	—	66.3% (±6.3 points)	—
Josephville	3.5 mi	75.7% (±23.4 points)	Not measurably different
O'Fallon	3.5 mi	77.9% (±3.0 points)	Higher
Dardenne Prairie	4.6 mi	89.3% (±8.0 points)	Higher
Wentzville	5.2 mi	81.7% (±4.9 points)	Higher
St. Paul	5.3 mi	92.8% (±15.0 points)	Higher
New Melle	6.7 mi	79.3% (±15.8 points)	Not measurably different
Cottleville	7.2 mi	79.6% (±10.0 points)	Higher
Flint Hill	7.3 mi	67.7% (±17.9 points)	Not measurably different

Nearby places with a measurably higher figure: O'Fallon, MO (77.9%), Dardenne Prairie, MO (89.3%), Wentzville, MO (81.7%).

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

Homes with 3 or more bedrooms across St. Charles County, place by place

Rank	Place	Homes with 3 or more bedrooms
8	O'Fallon	77.9% (±3.0 points)
9	Weldon Spring	76.3% (±12.2 points)
10	Josephville	75.7% (±23.4 points)
11 (tie)	Portage Des Sioux	69.2% (±26.0 points)
11 (tie)	St. Peters	69.2% (±3.4 points)
13	Flint Hill	67.7% (±17.9 points)
14	Lake St. Louis	66.3% (±6.3 points)
15	West Alton	66.0% (±16.3 points)
16	Augusta	63.8% (±20.4 points)
17	St. Charles	60.3% (±2.6 points)

Showing 10 of 17 places in St. Charles 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 Lake St. Louis

What is the most common home size in Lake St. Louis?

The most common size is 4 bedrooms, 28.5% of homes in Lake St. Louis, MO.

How many studios and one-bedroom homes are in Lake St. Louis?

13.2% of homes in Lake St. Louis have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Lake St. Louis 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 Lake St. Louis city, Missouri (place:40043, 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_0039PE, DP04_0039PM, DP04_0040PE, DP04_0040PM, DP04_0041PE, DP04_0041PM, DP04_0042PE, DP04_0042PM, DP04_0043PE, DP04_0043PM, DP04_0044PE, DP04_0044PM

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.