What kinds of homes are in Smithton, IL?

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

Smithton, IL has 1,445 (±161) homes (2020–2024 American Community Survey).

That is about 320 homes per square mile of land.

87.5% are detached single-family houses.

1.5% are in buildings of two to four units.

0.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,445 (±161)
Detached houses: 87.5%
2–4 unit buildings: 1.5%
5+ unit buildings: 0.0%

Homes in Smithton by building size

Housing units by units in structure, 2020–2024
Building type	Smithton	St. Clair County	Illinois	United States
Single-family, detached	87.5% (±5.7 points)	72.1%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	5.7% (±3.8 points)	5.2%	6.1%	6.2%
2 units	1.5% (±2.4 points)	3.3%	5.2%	3.4%
3 or 4 units	0.0% (±2.6 points)	4.4%	6.4%	4.3%
5 to 9 units	0.0% (±2.6 points)	5.3%	6.3%	4.5%
10 to 19 units	0.0% (±2.6 points)	2.3%	4.0%	4.3%
20 or more units	0.0% (±2.6 points)	2.9%	11.5%	10.3%
Mobile home	5.3% (±4.4 points)	4.4%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±2.6 points)	0.0%	0.0%	0.1%

In Smithton, the share of homes in buildings of five or more units is lower than in St. Clair County (10.5%).

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 Smithton

Nearest places with a published estimate, compared with Smithton
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Smithton	—	0.0% (±4.5 points)	—
Smithton Township	1.4 mi	0.0% (±3.8 points)	Not measurably different
Prairie Du Long Township	4.2 mi	0.0% (±6.6 points)	Not measurably different
Freeburg	4.4 mi	4.4% (±5.2 points)	Not measurably different
Millstadt Township	5.2 mi	0.6% (±2.0 points)	Not measurably different
Millstadt	6.0 mi	1.0% (±3.5 points)	Not measurably different
Freeburg Township	6.8 mi	3.9% (±4.7 points)	Not measurably different
Belleville	7.0 mi	13.5% (±2.5 points)	Higher
Hecker	7.6 mi	8.2% (±19.1 points)	Not measurably different

Nearby places with a measurably higher figure: Belleville, IL (13.5%).

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 St. Clair County, place by place

Rank	Place	Homes in buildings of 5 or more units
35 (tie)	Millstadt Township	0.6% (±2.0 points)
35 (tie)	New Athens Township	0.6% (±4.5 points)
37 (tie)	East Carondelet	0.0% (±33.6 points)
37 (tie)	Fayetteville	0.0% (±38.1 points)
37 (tie)	Lenzburg	0.0% (±31.0 points)
37 (tie)	Sauget	0.0% (±34.1 points)
37 (tie)	Smithton	0.0% (±4.5 points)
37 (tie)	Summerfield	0.0% (±37.4 points)
37 (tie)	Engelmann Township	0.0% (±15.8 points)
37 (tie)	Lenzburg Township	0.0% (±13.3 points)
37 (tie)	Prairie Du Long Township	0.0% (±6.6 points)
37 (tie)	Smithton Township	0.0% (±3.8 points)

Showing 12 of 46 places in St. Clair 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 Smithton

How many homes are in Smithton?

Smithton, IL has an estimated 1,445 (±161) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Smithton houses or apartments?

87.5% are detached houses and 5.7% attached houses, while 1.5% are in buildings of two or more units.

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

1.5% of homes in Smithton 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 — Smithton 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 Smithton village, Illinois (place:70252, 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.