What kinds of homes are in Fairmont, IL?

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

Fairmont, IL has 1,065 (±124) homes (2020–2024 American Community Survey).

That is about 766 homes per square mile of land.

91.4% are detached single-family houses.

4.9% are in buildings of two to four units.

1.2% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,065 (±124)
Detached houses: 91.4%
2–4 unit buildings: 4.9%
5+ unit buildings: 1.2%

Homes in Fairmont by building size

Housing units by units in structure, 2020–2024
Building type	Fairmont	Will County	Illinois	United States
Single-family, detached	91.4% (±5.5 points)	74.4%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	2.4% (±3.5 points)	11.4%	6.1%	6.2%
2 units	2.6% (±4.0 points)	2.1%	5.2%	3.4%
3 or 4 units	2.3% (±2.3 points)	2.7%	6.4%	4.3%
5 to 9 units	0.0% (±3.5 points)	2.1%	6.3%	4.5%
10 to 19 units	0.8% (±1.2 points)	2.8%	4.0%	4.3%
20 or more units	0.4% (±0.7 points)	3.3%	11.5%	10.3%
Mobile home	0.0% (±3.5 points)	1.3%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±3.5 points)	0.0%	0.0%	0.1%

In Fairmont, the share of homes in buildings of five or more units is lower than in Will County (8.2%).

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 Fairmont

Nearest places with a published estimate, compared with Fairmont
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Fairmont	—	1.2% (±3.8 points)	—
Ridgewood	2.0 mi	0.0% (±7.4 points)	Not measurably different
Lockport	2.5 mi	6.7% (±1.7 points)	Higher
Crest Hill	3.0 mi	23.9% (±4.1 points)	Higher
Ingalls Park	3.1 mi	4.0% (±7.3 points)	Not measurably different
Lockport Township	3.1 mi	11.9% (±1.8 points)	Higher
Joliet Township	3.9 mi	16.7% (±1.6 points)	Higher
Sunnyland	4.5 mi	0.0% (±18.9 points)	Not measurably different
Preston Heights	4.7 mi	12.1% (±6.0 points)	Higher

Nearby places with a measurably higher figure: Lockport, IL (6.7%), Crest Hill, IL (23.9%), Lockport Township, IL (11.9%).

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 Will County, place by place

Rank	Place	Homes in buildings of 5 or more units
34 (tie)	Washington Township (Will County)	2.4% (±2.7 points)
36	Peotone Township	2.2% (±2.7 points)
37	Channahon Township	2.0% (±1.7 points)
38	Frankfort	1.8% (±1.0 points)
39 (tie)	Braidwood	1.3% (±1.6 points)
39 (tie)	Reed Township	1.3% (±1.4 points)
41 (tie)	Fairmont	1.2% (±3.8 points)
41 (tie)	Frankfort Square	1.2% (±1.4 points)
43	Godley	1.1% (±18.6 points)
44 (tie)	Arbury Hills	0.0% (±12.3 points)
44 (tie)	Crystal Lawns	0.0% (±9.2 points)
44 (tie)	Elwood	0.0% (±6.8 points)
44 (tie)	Monee	0.0% (±2.9 points)

Showing 13 of 57 places in Will County, ranked from highest to lowest.

Fairmont is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

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 Fairmont

How many homes are in Fairmont?

Fairmont, IL has an estimated 1,065 (±124) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Fairmont houses or apartments?

91.4% are detached houses and 2.4% attached houses, while 6.1% are in buildings of two or more units.

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

4.9% of homes in Fairmont 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 — Fairmont CDP, 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 Fairmont CDP, Illinois (place:24920, 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.