What kinds of homes are in Rock Island, IL?

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

Rock Island, IL has 16,533 (±484) homes (2020–2024 American Community Survey).

That is about 943 homes per square mile of land.

67.9% are detached single-family houses.

7.3% are in buildings of two to four units.

20.1% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 16,533 (±484)
Detached houses: 67.9%
2–4 unit buildings: 7.3%
5+ unit buildings: 20.1%

Homes in Rock Island by building size

Housing units by units in structure, 2020–2024
Building type	Rock Island	Rock Island County	Illinois	United States
Single-family, detached	67.9% (±2.5 points)	70.2%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	3.7% (±1.1 points)	4.0%	6.1%	6.2%
2 units	4.0% (±1.0 points)	2.9%	5.2%	3.4%
3 or 4 units	3.3% (±1.2 points)	3.8%	6.4%	4.3%
5 to 9 units	6.3% (±1.5 points)	4.7%	6.3%	4.5%
10 to 19 units	3.7% (±1.2 points)	3.9%	4.0%	4.3%
20 or more units	10.1% (±1.7 points)	7.8%	11.5%	10.3%
Mobile home	1.0% (±0.4 points)	2.7%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.2 points)	0.0%	0.0%	0.1%

In Rock Island, the share of homes in buildings of five or more units is higher than in Rock Island County (16.4%).

It is not measurably different from Illinois (21.8%).

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near Rock Island

Nearest places with a published estimate, compared with Rock Island
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Rock Island	—	20.1% (±2.6 points)	—
South Rock Island Township	1.2 mi	16.3% (±3.1 points)	Not measurably different
Blackhawk Township	2.3 mi	13.4% (±4.9 points)	Lower
Milan	2.6 mi	16.7% (±7.3 points)	Not measurably different
Rock Island Township	2.8 mi	25.9% (±4.7 points)	Higher
Oak Grove	4.0 mi	2.1% (±24.8 points)	Not measurably different
Moline Township	4.7 mi	15.6% (±2.6 points)	Lower
Moline	4.8 mi	17.0% (±2.3 points)	Not measurably different
South Moline Township	5.8 mi	20.1% (±2.8 points)	Not measurably different

Nearby places with a measurably lower figure: Blackhawk Township, IL (13.4%), Moline Township, IL (15.6%).

Nearby places with a measurably higher figure: Rock Island Township, IL (25.9%).

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 Rock Island County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Silvis	28.5% (±6.7 points)
2	Carbon Cliff	28.4% (±12.0 points)
3	Rock Island Township	25.9% (±4.7 points)
4	East Moline	21.1% (±4.0 points)
5 (tie)	Rock Island	20.1% (±2.6 points)
5 (tie)	South Moline Township	20.1% (±2.8 points)
7	Hampton Township	18.7% (±3.7 points)
8	Moline	17.0% (±2.3 points)
9	Milan	16.7% (±7.3 points)
10	South Rock Island Township	16.3% (±3.1 points)
11	Moline Township	15.6% (±2.6 points)

Showing 11 of 33 places in Rock Island 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 Rock Island

How many homes are in Rock Island?

Rock Island, IL has an estimated 16,533 (±484) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Rock Island houses or apartments?

67.9% are detached houses and 3.7% attached houses, while 27.4% are in buildings of two or more units.

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

7.3% of homes in Rock Island 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 — Rock Island 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 Rock Island city, Illinois (place:65078, 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.