What kinds of homes are in St. Mary Township, IL?

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

St. Mary Township, IL has 317 (±60) homes (2020–2024 American Community Survey).

That is about 9 homes per square mile of land.

88.0% are detached single-family houses.

1.3% are in buildings of two to four units.

0.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 317 (±60)
Detached houses: 88.0%
2–4 unit buildings: 1.3%
5+ unit buildings: 0.9%

Homes in St. Mary Township by building size

Housing units by units in structure, 2020–2024
Building type	St. Mary Township	Hancock County	Illinois	United States
Single-family, detached	88.0% (±6.6 points)	82.6%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	2.5% (±3.4 points)	0.5%	6.1%	6.2%
2 units	0.0% (±11.1 points)	2.5%	5.2%	3.4%
3 or 4 units	1.3% (±1.1 points)	4.3%	6.4%	4.3%
5 to 9 units	0.9% (±1.2 points)	3.0%	6.3%	4.5%
10 to 19 units	0.0% (±11.1 points)	0.8%	4.0%	4.3%
20 or more units	0.0% (±11.1 points)	0.2%	11.5%	10.3%
Mobile home	7.3% (±5.5 points)	6.0%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±11.1 points)	0.1%	0.0%	0.1%

In St. Mary Township, the share of homes in buildings of five or more units is not measurably different from Hancock County (4.0%).

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 St. Mary Township

Nearest places with a published estimate, compared with St. Mary Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
St. Mary Township	—	0.9% (±15.7 points)	—
Plymouth	3.6 mi	6.1% (±16.9 points)	Not measurably different
Lamoine Township	5.9 mi	3.6% (±17.8 points)	Not measurably different
Hancock Township	6.1 mi	0.0% (±73.8 points)	Not measurably different
Augusta Township	6.3 mi	0.0% (±14.2 points)	Not measurably different
Harmony Township	6.6 mi	0.0% (±45.6 points)	Not measurably different
Augusta	6.7 mi	0.0% (±16.3 points)	Not measurably different
Bentley	7.7 mi	0.0% (±153.1 points)	Not measurably different
Bowen	8.3 mi	0.5% (±23.2 points)	Not measurably different

None of the nearby places differs measurably from this one on this figure.

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 Hancock County, place by place

Rank	Place	Homes in buildings of 5 or more units
7	Dallas City	5.2% (±4.9 points)
8	La Harpe	4.9% (±7.2 points)
9	La Harpe Township	4.1% (±5.9 points)
10	Hamilton	3.3% (±5.0 points)
11	Montebello Township	2.6% (±4.0 points)
12	Pontoosuc	1.1% (±45.6 points)
13	St. Mary Township	0.9% (±15.7 points)
14 (tie)	Nauvoo	0.8% (±8.3 points)
14 (tie)	Nauvoo Township	0.8% (±8.1 points)
16	Pontoosuc Township	0.6% (±28.3 points)
17	Bowen	0.5% (±23.2 points)
18	Chili Township	0.4% (±18.1 points)
19 (tie)	Augusta	0.0% (±16.3 points)

Showing 13 of 39 places in Hancock 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 St. Mary Township

How many homes are in St. Mary Township?

St. Mary Township, IL has an estimated 317 (±60) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in St. Mary Township houses or apartments?

88.0% are detached houses and 2.5% attached houses, while 2.2% are in buildings of two or more units.

How many two-family and small multifamily homes are in St. Mary Township?

1.3% of homes in St. Mary 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 — St. Mary township, Hancock 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 St. Mary township, Hancock County, Illinois (county subdivision:67054, in state:17 county:067).

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.