What kinds of homes are in Round Lake, IL?

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

Round Lake, IL has 6,627 (±409) homes (2020–2024 American Community Survey).

That is about 1,192 homes per square mile of land.

55.5% are detached single-family houses.

2.4% are in buildings of two to four units.

10.2% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 6,627 (±409)
Detached houses: 55.5%
2–4 unit buildings: 2.4%
5+ unit buildings: 10.2%

Homes in Round Lake by building size

Housing units by units in structure, 2020–2024
Building type	Round Lake	Lake County	Illinois	United States
Single-family, detached	55.5% (±5.2 points)	66.6%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	28.6% (±5.4 points)	10.3%	6.1%	6.2%
2 units	0.0% (±0.6 points)	2.5%	5.2%	3.4%
3 or 4 units	2.4% (±1.6 points)	3.3%	6.4%	4.3%
5 to 9 units	1.9% (±1.7 points)	3.8%	6.3%	4.5%
10 to 19 units	2.8% (±2.0 points)	4.3%	4.0%	4.3%
20 or more units	5.5% (±2.9 points)	7.5%	11.5%	10.3%
Mobile home	3.2% (±1.1 points)	1.6%	2.3%	5.6%
Boat, RV, van, etc.	0.1% (±0.2 points)	0.0%	0.0%	0.1%

In Round Lake, the share of homes in buildings of five or more units is lower than in Lake County (15.6%).

It is also lower than in Illinois (21.8%).

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

Homes in buildings of 5 or more units in places near Round Lake

Nearest places with a published estimate, compared with Round Lake
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Round Lake	—	10.2% (±3.9 points)	—
Round Lake Park	1.1 mi	0.5% (±1.2 points)	Lower
Hainesville	1.5 mi	3.2% (±5.4 points)	Lower
Long Lake	2.4 mi	0.0% (±5.0 points)	Lower
Avon Township	2.5 mi	11.3% (±2.1 points)	Not measurably different
Round Lake Heights	2.9 mi	4.5% (±6.9 points)	Not measurably different
Round Lake Beach	2.9 mi	8.1% (±3.3 points)	Not measurably different
Volo	3.0 mi	2.8% (±2.5 points)	Lower
Grayslake	3.5 mi	18.4% (±3.3 points)	Higher

Nearby places with a measurably lower figure: Round Lake Park, IL (0.5%), Hainesville, IL (3.2%), Long Lake, IL (0.0%).

Nearby places with a measurably higher figure: Grayslake, IL (18.4%).

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 Lake County, place by place

Rank	Place	Homes in buildings of 5 or more units
31	Lake Barrington	12.1% (±4.1 points)
32	Antioch Township	11.7% (±2.3 points)
33	Avon Township	11.3% (±2.1 points)
34	Wauconda	10.9% (±3.8 points)
35	Ela Township	10.3% (±2.3 points)
36 (tie)	Gages Lake	10.2% (±3.3 points)
36 (tie)	Round Lake	10.2% (±3.9 points)
38	Benton Township (Lake County)	8.5% (±3.7 points)
39	Round Lake Beach	8.1% (±3.3 points)
40	West Deerfield Township	7.7% (±1.4 points)
41	Lake Villa Township	7.0% (±1.8 points)
42	Wauconda Township	6.9% (±2.2 points)
43	Winthrop Harbor	6.3% (±3.2 points)

Showing 13 of 71 places in Lake 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 Round Lake

How many homes are in Round Lake?

Round Lake, IL has an estimated 6,627 (±409) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Round Lake houses or apartments?

55.5% are detached houses and 28.6% attached houses, while 12.6% are in buildings of two or more units.

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

2.4% of homes in Round Lake 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 — Round Lake village, 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 Round Lake village, Illinois (place:66027, 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_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.