How many homes in Lake St. Louis, MO are overcrowded?

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

0.3% (±0.6 points) of occupied homes in Lake St. Louis, MO have more than one occupant per room (2020–2024 American Community Survey).

0.3% have more than 1.5.

1.4% lack complete plumbing.

0.0% lack a complete kitchen.

Figures last updated on November 12, 2026.

More than 1 per room: 0.3% (±0.6 points)
Lacking plumbing: 1.4%
Lacking a kitchen: 0.0%

Crowding and facilities in Lake St. Louis

Share of occupied homes, estimate (90% margin of error)
	Lake St. Louis	St. Charles County	Missouri	United States
More than 1 person per room	0.3% (±0.6 points)	1.0% (±0.1 points)	1.7% (±0.1 points)	3.4%
More than 1.5 people per room	0.3% (±0.4 points)	0.3% (±0.1 points)	0.5% (±0.1 points)	1.2%
Lacking complete plumbing	1.4% (±2.1 points)	0.3% (±0.1 points)	0.4% (±0.1 points)	0.4%
Lacking a complete kitchen	0.0% (±0.5 points)	0.5% (±0.2 points)	0.8% (±0.1 points)	0.8%

A room is any whole room other than a bathroom, hall or porch; more than one person per room is the Census Bureau’s usual measure of crowding.

Complete plumbing means hot and cold running water and a bath or shower; a complete kitchen means a sink with a faucet, a stove or range and a refrigerator.

In Lake St. Louis, the share of crowded homes is lower than in St. Charles County (1.0%).

It is also lower than in Missouri (1.7%).

It is lower than the national figure (3.4%).

Crowded homes in places near Lake St. Louis

Nearest places with a published estimate, compared with Lake St. Louis
Place	Distance	Crowded homes	Compared with this place
Lake St. Louis	—	0.3% (±0.6 points)	—
Josephville	3.5 mi	0.9% (±14.9 points)	Not measurably different
O'Fallon	3.5 mi	1.5% (±0.6 points)	Higher
Dardenne Prairie	4.6 mi	0.0% (±0.7 points)	Not measurably different
Wentzville	5.2 mi	1.1% (±0.6 points)	Not measurably different
St. Paul	5.3 mi	0.0% (±4.1 points)	Not measurably different
New Melle	6.7 mi	1.1% (±17.0 points)	Not measurably different
Cottleville	7.2 mi	1.7% (±2.5 points)	Not measurably different
Flint Hill	7.3 mi	0.0% (±17.5 points)	Not measurably different

Nearby places with a measurably higher figure: O'Fallon, MO (1.5%).

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

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

How many homes in Lake St. Louis are overcrowded?

0.3% of occupied homes in Lake St. Louis, MO have more than one person per room (2020–2024 American Community Survey).

How many homes in Lake St. Louis lack plumbing or a kitchen?

1.4% lack complete plumbing facilities and 0.0% lack complete kitchen facilities.

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_0078PE, DP04_0078PM, DP04_0079PE, DP04_0079PM, DP04_0073PE, DP04_0073PM, DP04_0074PE, DP04_0074PM

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.