What kinds of homes are in St. Marys, OH?

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

St. Marys, OH has 3,714 (±227) homes (2020–2024 American Community Survey).

That is about 795 homes per square mile of land.

80.6% are detached single-family houses.

6.8% are in buildings of two to four units.

8.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 3,714 (±227)
Detached houses: 80.6%
2–4 unit buildings: 6.8%
5+ unit buildings: 8.8%

Homes in St. Marys by building size

Housing units by units in structure, 2020–2024
Building type	St. Marys	Auglaize County	Ohio	United States
Single-family, detached	80.6% (±5.2 points)	82.5%	68.8%	61.3%
Single-family, attached (townhouse, rowhouse)	1.9% (±1.2 points)	2.4%	4.9%	6.2%
2 units	1.6% (±1.5 points)	3.2%	3.6%	3.4%
3 or 4 units	5.2% (±2.9 points)	3.3%	4.3%	4.3%
5 to 9 units	2.6% (±1.6 points)	1.8%	4.6%	4.5%
10 to 19 units	2.6% (±1.9 points)	1.1%	3.9%	4.3%
20 or more units	3.6% (±3.4 points)	2.5%	6.5%	10.3%
Mobile home	1.2% (±1.9 points)	3.1%	3.4%	5.6%
Boat, RV, van, etc.	0.6% (±1.1 points)	0.1%	0.1%	0.1%

In St. Marys, the share of homes in buildings of five or more units is not measurably different from Auglaize County (5.4%).

It is also lower than in Ohio (15.0%).

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

Homes in buildings of 5 or more units in places near St. Marys

Nearest places with a published estimate, compared with St. Marys
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
St. Marys	—	8.8% (±4.2 points)	—
St. Marys Township	2.2 mi	7.9% (±3.2 points)	Not measurably different
Noble Township (Auglaize County)	2.8 mi	0.0% (±9.9 points)	Not measurably different
New Knoxville	5.5 mi	0.2% (±11.9 points)	Not measurably different
Moulton Township	6.0 mi	0.0% (±8.5 points)	Not measurably different
Washington Township (Auglaize County)	6.2 mi	0.1% (±6.7 points)	Lower
German Township (Auglaize County)	7.2 mi	0.0% (±4.0 points)	Lower
Salem Township (Auglaize County)	7.5 mi	0.0% (±36.2 points)	Not measurably different
Center Township (Mercer County)	7.5 mi	0.0% (±14.7 points)	Not measurably different

Nearby places with a measurably lower figure: Washington Township (Auglaize County), OH (0.1%), German Township (Auglaize County), OH (0.0%).

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 Auglaize County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Cridersville	12.3% (±7.6 points)
2	Wapakoneta	10.3% (±3.8 points)
3	Duchouquet Township	9.2% (±2.9 points)
4	St. Marys	8.8% (±4.2 points)
5	St. Marys Township	7.9% (±3.2 points)
6	Minster	4.7% (±3.1 points)
7	Jackson Township (Auglaize County)	4.4% (±2.7 points)
8	New Knoxville	0.2% (±11.9 points)
9	Washington Township (Auglaize County)	0.1% (±6.7 points)
10 (tie)	Buckland	0.0% (±49.5 points)

Showing 10 of 22 places in Auglaize 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. Marys

How many homes are in St. Marys?

St. Marys, OH has an estimated 3,714 (±227) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in St. Marys houses or apartments?

80.6% are detached houses and 1.9% attached houses, while 15.6% are in buildings of two or more units.

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

6.8% of homes in St. Marys 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. Marys city, Ohio

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. Marys city, Ohio (place:69680, in state:39).

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.