What kinds of homes are in Ontwa Township, MI?

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

Ontwa Township, MI has 3,404 (±188) homes (2020–2024 American Community Survey).

That is about 175 homes per square mile of land.

80.9% are detached single-family houses.

1.5% are in buildings of two to four units.

3.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 3,404 (±188)
Detached houses: 80.9%
2–4 unit buildings: 1.5%
5+ unit buildings: 3.5%

Homes in Ontwa Township by building size

Housing units by units in structure, 2020–2024
Building type	Ontwa Township	Cass County	Michigan	United States
Single-family, detached	80.9% (±4.8 points)	84.6%	72.0%	61.3%
Single-family, attached (townhouse, rowhouse)	1.9% (±1.9 points)	1.8%	4.8%	6.2%
2 units	0.3% (±0.3 points)	0.9%	2.2%	3.4%
3 or 4 units	1.2% (±0.9 points)	1.5%	2.6%	4.3%
5 to 9 units	0.5% (±0.7 points)	1.4%	4.1%	4.5%
10 to 19 units	1.4% (±1.7 points)	0.6%	3.5%	4.3%
20 or more units	1.6% (±1.0 points)	1.5%	5.6%	10.3%
Mobile home	12.2% (±3.7 points)	7.7%	5.0%	5.6%
Boat, RV, van, etc.	0.0% (±0.9 points)	0.1%	0.0%	0.1%

In Ontwa Township, the share of homes in buildings of five or more units is not measurably different from Cass County (3.5%).

It is also lower than in Michigan (13.2%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Ontwa Township

Nearest places with a published estimate, compared with Ontwa Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Ontwa Township	—	3.5% (±2.1 points)	—
Jefferson Township (Cass County)	4.1 mi	1.6% (±4.6 points)	Not measurably different
Simonton Lake	5.0 mi	6.1% (±4.5 points)	Not measurably different
Cleveland Township (Elkhart County)	5.2 mi	10.4% (±4.4 points)	Higher
Harris Township	5.3 mi	18.1% (±3.0 points)	Higher
Granger	5.7 mi	0.4% (±0.5 points)	Lower
Mason Township (Cass County)	6.3 mi	0.0% (±4.8 points)	Not measurably different
Milton Township (Cass County)	6.4 mi	0.0% (±4.2 points)	Not measurably different
Osolo Township	7.1 mi	12.9% (±3.1 points)	Higher

Nearby places with a measurably lower figure: Granger, IN (0.4%).

Nearby places with a measurably higher figure: Cleveland Township (Elkhart County), IN (10.4%), Harris Township, IN (18.1%), Osolo Township, IN (12.9%).

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 Cass County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Dowagiac	17.8% (±6.2 points)
2	LaGrange Township	9.5% (±3.9 points)
3	Ontwa Township	3.5% (±2.1 points)
4	Calvin Township	2.5% (±5.3 points)
5	Marcellus Township	2.0% (±4.0 points)
6	Jefferson Township (Cass County)	1.6% (±4.6 points)
7	Silver Creek Township	0.8% (±2.3 points)
8	Newberg Township	0.5% (±5.0 points)
9	Penn Township	0.2% (±3.1 points)

Showing 9 of 16 places in Cass County, ranked from highest to lowest.

The figures for Ontwa Township include the places inside it that have pages of their own: Edwardsburg.

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 Ontwa Township

How many homes are in Ontwa Township?

Ontwa Township, MI has an estimated 3,404 (±188) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Ontwa Township houses or apartments?

80.9% are detached houses and 1.9% attached houses, while 5.0% are in buildings of two or more units.

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

1.5% of homes in Ontwa 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 — Ontwa township, Cass County, Michigan

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 Ontwa township, Cass County, Michigan (county subdivision:60900, in state:26 county:027).

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.