What kinds of homes are in Union, OH?

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

Union, OH has 3,035 (±368) homes (2020–2024 American Community Survey).

That is about 364 homes per square mile of land.

77.2% are detached single-family houses.

10.3% 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: 3,035 (±368)
Detached houses: 77.2%
2–4 unit buildings: 10.3%
5+ unit buildings: 0.9%

Homes in Union by building size

Housing units by units in structure, 2020–2024
Building type	Union	Montgomery County	Ohio	United States
Single-family, detached	77.2% (±9.1 points)	67.4%	68.8%	61.3%
Single-family, attached (townhouse, rowhouse)	10.0% (±5.8 points)	7.1%	4.9%	6.2%
2 units	8.9% (±7.4 points)	2.1%	3.6%	3.4%
3 or 4 units	1.4% (±2.0 points)	6.5%	4.3%	4.3%
5 to 9 units	0.9% (±1.6 points)	6.0%	4.6%	4.5%
10 to 19 units	0.0% (±1.2 points)	4.0%	3.9%	4.3%
20 or more units	0.0% (±1.2 points)	5.5%	6.5%	10.3%
Mobile home	1.5% (±2.5 points)	1.3%	3.4%	5.6%
Boat, RV, van, etc.	0.0% (±1.2 points)	0.1%	0.1%	0.1%

In Union, the share of homes in buildings of five or more units is lower than in Montgomery County (15.5%).

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 Union

Nearest places with a published estimate, compared with Union
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Union	—	0.9% (±2.3 points)	—
Englewood	3.0 mi	12.9% (±6.1 points)	Higher
Clayton	3.1 mi	9.1% (±3.8 points)	Higher
Butler Township (Montgomery County)	3.6 mi	0.0% (±1.9 points)	Not measurably different
West Milton	4.0 mi	3.0% (±3.2 points)	Not measurably different
Monroe Township (Miami County)	5.3 mi	10.5% (±3.4 points)	Higher
Vandalia	5.7 mi	12.5% (±3.7 points)	Higher
Phillipsburg	5.7 mi	0.0% (±22.9 points)	Not measurably different
Union Township (Miami County)	5.7 mi	1.6% (±1.7 points)	Not measurably different

Nearby places with a measurably higher figure: Englewood, OH (12.9%), Clayton, OH (9.1%), Monroe Township (Miami County), OH (10.5%).

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 Montgomery County, place by place

Rank	Place	Homes in buildings of 5 or more units
22	Jackson Township (Montgomery County)	2.9% (±4.2 points)
23	German Township (Montgomery County)	2.8% (±3.6 points)
24	Fort McKinley	2.3% (±5.1 points)
25	Jefferson Township (Montgomery County)	2.1% (±3.6 points)
26	Oakwood (Montgomery County)	2.0% (±1.4 points)
27	Perry Township (Montgomery County)	1.5% (±2.7 points)
28	Union	0.9% (±2.3 points)
29 (tie)	Farmersville	0.0% (±15.9 points)
29 (tie)	Phillipsburg	0.0% (±22.9 points)
29 (tie)	Butler Township (Montgomery County)	0.0% (±1.9 points)

Showing 10 of 31 places in Montgomery 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 Union

How many homes are in Union?

Union, OH has an estimated 3,035 (±368) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Union houses or apartments?

77.2% are detached houses and 10.0% attached houses, while 11.2% are in buildings of two or more units.

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

10.3% of homes in Union 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 — Union 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 Union city, Ohio (place:78470, 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.