What kinds of homes are in Hillside Township, NJ?

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

Hillside Township, NJ has 7,457 (±434) homes (2020–2024 American Community Survey).

That is about 2,695 homes per square mile of land.

57.1% are detached single-family houses.

31.5% are in buildings of two to four units.

6.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 7,457 (±434)
Detached houses: 57.1%
2–4 unit buildings: 31.5%
5+ unit buildings: 6.3%

Homes in Hillside Township by building size

Housing units by units in structure, 2020–2024
Building type	Hillside Township	Union County	New Jersey	United States
Single-family, detached	57.1% (±3.7 points)	49.7%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	4.6% (±1.8 points)	4.8%	10.0%	6.2%
2 units	23.5% (±3.8 points)	16.7%	8.6%	3.4%
3 or 4 units	8.0% (±2.5 points)	8.1%	6.1%	4.3%
5 to 9 units	2.9% (±1.7 points)	3.6%	4.6%	4.5%
10 to 19 units	1.5% (±1.3 points)	3.7%	4.9%	4.3%
20 or more units	1.9% (±1.2 points)	13.1%	12.3%	10.3%
Mobile home	0.0% (±0.6 points)	0.2%	0.9%	5.6%
Boat, RV, van, etc.	0.6% (±0.9 points)	0.1%	0.0%	0.1%

In Hillside Township, the share of homes in buildings of five or more units is lower than in Union County (20.4%).

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 Hillside Township

Nearest places with a published estimate, compared with Hillside Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Hillside Township	—	6.3% (±2.5 points)	—
Irvington Township	1.9 mi	38.2% (±4.2 points)	Higher
Union Township (Union County)	2.1 mi	14.0% (±1.6 points)	Higher
Union	2.1 mi	16.9% (±11.4 points)	Not measurably different
Elizabeth	2.8 mi	33.1% (±2.3 points)	Higher
Roselle Park Borough	2.9 mi	26.3% (±6.1 points)	Higher
Vauxhall	3.2 mi	3.8% (±4.5 points)	Not measurably different
Kenilworth Borough	3.3 mi	2.6% (±3.8 points)	Not measurably different
Maplewood Township	3.4 mi	16.3% (±3.6 points)	Higher

Nearby places with a measurably higher figure: Irvington Township, NJ (38.2%), Union Township (Union County), NJ (14.0%), Elizabeth, NJ (33.1%).

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 Union County, place by place

Rank	Place	Homes in buildings of 5 or more units
12	Clark Township	14.4% (±3.3 points)
13	Union Township (Union County)	14.0% (±1.6 points)
14	Scotch Plains Township	12.3% (±2.1 points)
15	Fanwood Borough	7.9% (±4.7 points)
16 (tie)	Berkeley Heights Township	6.7% (±2.9 points)
16 (tie)	Westfield Town	6.7% (±1.8 points)
18	Hillside Township	6.3% (±2.5 points)
19	Kenilworth Borough	2.6% (±3.8 points)
20 (tie)	Mountainside Borough	0.0% (±2.9 points)
20 (tie)	Winfield Township	0.0% (±9.7 points)

Showing 10 of 21 places in Union 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 Hillside Township

How many homes are in Hillside Township?

Hillside Township, NJ has an estimated 7,457 (±434) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Hillside Township houses or apartments?

57.1% are detached houses and 4.6% attached houses, while 37.8% are in buildings of two or more units.

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

31.5% of homes in Hillside 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 — Hillside township, Union 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 Hillside township, Union County, New Jersey (county subdivision:31980, in state:34 county:039).

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.