How many homes in Crystal Lake, IL are overcrowded?

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

0.7% (±0.7 points) of occupied homes in Crystal Lake, IL have more than one occupant per room (2020–2024 American Community Survey).

0.0% have more than 1.5.

0.4% lack complete plumbing.

0.8% lack a complete kitchen.

Figures last updated on November 12, 2026.

More than 1 per room: 0.7% (±0.7 points)
Lacking plumbing: 0.4%
Lacking a kitchen: 0.8%

Crowding and facilities in Crystal Lake

Share of occupied homes, estimate (90% margin of error)
	Crystal Lake	McHenry County	Illinois	United States
More than 1 person per room	0.7% (±0.7 points)	1.5% (±0.3 points)	2.4% (±0.1 points)	3.4%
More than 1.5 people per room	0.0% (±0.3 points)	0.3% (±0.1 points)	0.8% (±0.1 points)	1.2%
Lacking complete plumbing	0.4% (±0.3 points)	0.2% (±0.1 points)	0.3% (±0.1 points)	0.4%
Lacking a complete kitchen	0.8% (±0.5 points)	0.5% (±0.1 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 Crystal Lake, the share of crowded homes is lower than in McHenry County (1.5%).

It is also lower than in Illinois (2.4%).

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

Crowded homes in places near Crystal Lake

Nearest places with a published estimate, compared with Crystal Lake
Place	Distance	Crowded homes	Compared with this place
Crystal Lake	—	0.7% (±0.7 points)	—
Lakewood	2.7 mi	0.0% (±3.3 points)	Not measurably different
Algonquin Township	3.8 mi	1.2% (±0.4 points)	Not measurably different
Lake in the Hills	3.8 mi	3.6% (±1.5 points)	Higher
Prairie Grove	4.3 mi	0.0% (±7.1 points)	Not measurably different
Cary	4.6 mi	0.4% (±0.6 points)	Not measurably different
Nunda Township	4.7 mi	0.7% (±0.6 points)	Not measurably different
Oakwood Hills	4.9 mi	0.0% (±5.5 points)	Not measurably different
Grafton Township	4.9 mi	0.9% (±0.6 points)	Not measurably different

Nearby places with a measurably higher figure: Lake in the Hills, IL (3.6%).

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 Crystal Lake

How many homes in Crystal Lake are overcrowded?

0.7% of occupied homes in Crystal Lake, IL have more than one person per room (2020–2024 American Community Survey).

How many homes in Crystal Lake lack plumbing or a kitchen?

0.4% lack complete plumbing facilities and 0.8% lack complete kitchen facilities.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Crystal Lake city, Illinois

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 Crystal Lake city, Illinois (place:17887, in state:17).

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.