What kinds of homes are in Union Township (Hunterdon County), NJ?

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

Union Township (Hunterdon County), NJ has 2,278 (±176) homes (2020–2024 American Community Survey).

That is about 121 homes per square mile of land.

69.9% are detached single-family houses.

2.5% are in buildings of two to four units.

11.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,278 (±176)
Detached houses: 69.9%
2–4 unit buildings: 2.5%
5+ unit buildings: 11.4%

Homes in Union Township (Hunterdon County) by building size

Housing units by units in structure, 2020–2024
Building type	Union Township (Hunterdon County)	Hunterdon County	New Jersey	United States
Single-family, detached	69.9% (±5.7 points)	73.8%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	15.6% (±5.1 points)	12.9%	10.0%	6.2%
2 units	1.2% (±2.0 points)	2.5%	8.6%	3.4%
3 or 4 units	1.3% (±1.3 points)	2.8%	6.1%	4.3%
5 to 9 units	2.6% (±2.1 points)	2.7%	4.6%	4.5%
10 to 19 units	4.3% (±3.1 points)	2.5%	4.9%	4.3%
20 or more units	4.5% (±3.0 points)	2.5%	12.3%	10.3%
Mobile home	0.6% (±0.9 points)	0.3%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±2.0 points)	0.1%	0.0%	0.1%

In Union Township (Hunterdon County), the share of homes in buildings of five or more units is not measurably different from Hunterdon County (7.7%).

It is also lower than in New Jersey (21.8%).

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

Homes in buildings of 5 or more units in places near Union Township (Hunterdon County)

Nearest places with a published estimate, compared with Union Township (Hunterdon County)
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Union Township (Hunterdon County)	—	11.4% (±4.8 points)	—
Clinton Town	2.6 mi	18.3% (±5.9 points)	Not measurably different
Bethlehem Township	3.3 mi	0.6% (±4.6 points)	Lower
Alexandria Township	4.1 mi	0.0% (±4.3 points)	Lower
Annandale	4.2 mi	20.3% (±15.4 points)	Not measurably different
Franklin Township (Hunterdon County)	4.7 mi	0.0% (±6.6 points)	Lower
High Bridge Borough	4.7 mi	4.4% (±4.4 points)	Lower
Glen Gardner Borough	4.9 mi	17.6% (±4.6 points)	Not measurably different
Hampton Borough	5.0 mi	8.4% (±3.7 points)	Not measurably different

Nearby places with a measurably lower figure: Bethlehem Township, NJ (0.6%), Alexandria Township, NJ (0.0%), Franklin Township (Hunterdon County), NJ (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 Hunterdon County, place by place

Rank	Place	Homes in buildings of 5 or more units
2	Lebanon Borough	24.0% (±7.7 points)
3	Clinton Town	18.3% (±5.9 points)
4	Glen Gardner Borough	17.6% (±4.6 points)
5	Frenchtown Borough	17.0% (±5.6 points)
6	Lambertville	13.4% (±5.9 points)
7	Stockton Borough	12.7% (±22.5 points)
8	Union Township (Hunterdon County)	11.4% (±4.8 points)
9	Raritan Township	8.6% (±2.5 points)
10	Hampton Borough	8.4% (±3.7 points)
11	Clinton Township	7.4% (±2.8 points)
12	Milford Borough	6.9% (±4.1 points)
13	Readington Township	6.0% (±2.0 points)
14	High Bridge Borough	4.4% (±4.4 points)

Showing 13 of 26 places in Hunterdon 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 Township (Hunterdon County)

How many homes are in Union Township (Hunterdon County)?

Union Township (Hunterdon County), NJ has an estimated 2,278 (±176) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Union Township (Hunterdon County) houses or apartments?

69.9% are detached houses and 15.6% attached houses, while 13.9% are in buildings of two or more units.

How many two-family and small multifamily homes are in Union Township (Hunterdon County)?

2.5% of homes in Union Township (Hunterdon County) 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 township, Hunterdon County, New Jersey

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 township, Hunterdon County, New Jersey (county subdivision:74420, in state:34 county:019).

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.