What kinds of homes are in Thornton Township, IL?

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

Thornton Township, IL has 67,747 (±1,279) homes (2020–2024 American Community Survey).

That is about 1,445 homes per square mile of land.

68.1% are detached single-family houses.

9.5% are in buildings of two to four units.

16.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 67,747 (±1,279)
Detached houses: 68.1%
2–4 unit buildings: 9.5%
5+ unit buildings: 16.3%

Homes in Thornton Township by building size

Housing units by units in structure, 2020–2024
Building type	Thornton Township	Cook County	Illinois	United States
Single-family, detached	68.1% (±1.4 points)	39.6%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	2.8% (±0.5 points)	5.5%	6.1%	6.2%
2 units	4.3% (±0.6 points)	8.9%	5.2%	3.4%
3 or 4 units	5.2% (±0.8 points)	10.4%	6.4%	4.3%
5 to 9 units	6.2% (±0.8 points)	9.7%	6.3%	4.5%
10 to 19 units	4.1% (±0.7 points)	5.0%	4.0%	4.3%
20 or more units	6.0% (±0.7 points)	20.1%	11.5%	10.3%
Mobile home	3.1% (±0.7 points)	0.8%	2.3%	5.6%
Boat, RV, van, etc.	0.1% (±0.1 points)	0.0%	0.0%	0.1%

In Thornton Township, the share of homes in buildings of five or more units is lower than in Cook County (34.8%).

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 Thornton Township

Nearest places with a published estimate, compared with Thornton Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Thornton Township	—	16.3% (±1.3 points)	—
South Holland	0.2 mi	0.9% (±1.1 points)	Lower
Phoenix	1.7 mi	9.1% (±6.0 points)	Lower
Dolton	2.0 mi	9.4% (±2.8 points)	Lower
Thornton	2.1 mi	11.2% (±6.5 points)	Not measurably different
Harvey	2.7 mi	13.2% (±3.0 points)	Not measurably different
East Hazel Crest	3.1 mi	10.3% (±9.8 points)	Not measurably different
Calumet City	3.2 mi	23.2% (±3.6 points)	Higher
Riverdale	3.4 mi	27.9% (±5.2 points)	Higher

Nearby places with a measurably lower figure: South Holland, IL (0.9%), Phoenix, IL (9.1%), Dolton, IL (9.4%).

Nearby places with a measurably higher figure: Calumet City, IL (23.2%), Riverdale, IL (27.9%).

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 Cook County, place by place

Rank	Place	Homes in buildings of 5 or more units
78	Merrionette Park	17.4% (±7.4 points)
79	Tinley Park	17.2% (±2.1 points)
80	Robbins	16.8% (±9.7 points)
81	Northfield	16.7% (±4.0 points)
82	Wilmette	16.5% (±2.1 points)
83 (tie)	Orland Park	16.3% (±2.7 points)
83 (tie)	Thornton Township	16.3% (±1.3 points)
85	Steger	15.7% (±4.1 points)
86	Orland Hills	15.3% (±6.2 points)
87	Maywood	15.1% (±3.5 points)
88	Homewood	14.5% (±2.9 points)
89 (tie)	McCook	14.4% (±39.0 points)
89 (tie)	Stickney	14.4% (±8.2 points)

Showing 13 of 148 places in Cook 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 Thornton Township

How many homes are in Thornton Township?

Thornton Township, IL has an estimated 67,747 (±1,279) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Thornton Township houses or apartments?

68.1% are detached houses and 2.8% attached houses, while 25.8% are in buildings of two or more units.

How many two-family and small multifamily homes are in Thornton Township?

9.5% of homes in Thornton Township 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 — Thornton township, Cook County, 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 Thornton township, Cook County, Illinois (county subdivision:75198, in state:17 county:031).

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.