What kinds of homes are in Hillsborough Township, NJ?

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

Hillsborough Township, NJ has 16,537 (±448) homes (2020–2024 American Community Survey).

That is about 303 homes per square mile of land.

57.9% are detached single-family houses.

5.3% are in buildings of two to four units.

16.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 16,537 (±448)
Detached houses: 57.9%
2–4 unit buildings: 5.3%
5+ unit buildings: 16.7%

Homes in Hillsborough Township by building size

Housing units by units in structure, 2020–2024
Building type	Hillsborough Township	Somerset County	New Jersey	United States
Single-family, detached	57.9% (±2.4 points)	57.8%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	20.1% (±2.1 points)	14.5%	10.0%	6.2%
2 units	1.7% (±0.8 points)	5.2%	8.6%	3.4%
3 or 4 units	3.6% (±1.6 points)	4.5%	6.1%	4.3%
5 to 9 units	5.3% (±1.6 points)	5.1%	4.6%	4.5%
10 to 19 units	6.7% (±1.9 points)	5.1%	4.9%	4.3%
20 or more units	4.7% (±1.3 points)	7.6%	12.3%	10.3%
Mobile home	0.0% (±0.3 points)	0.2%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±0.3 points)	0.0%	0.0%	0.1%

In Hillsborough Township, the share of homes in buildings of five or more units is not measurably different from Somerset County (17.8%).

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

It is not measurably different from the national figure (19.1%).

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

Nearest places with a published estimate, compared with Hillsborough Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Hillsborough Township	—	16.7% (±2.8 points)	—
Belle Mead	2.1 mi	24.6% (±8.1 points)	Not measurably different
Millstone Borough	3.9 mi	0.9% (±26.3 points)	Not measurably different
Neshanic Station	4.0 mi	24.3% (±9.8 points)	Not measurably different
Branchburg Township	4.9 mi	14.7% (±3.9 points)	Not measurably different
Montgomery Township	5.0 mi	11.0% (±2.6 points)	Lower
Bradley Gardens	5.2 mi	11.2% (±3.8 points)	Lower
Manville Borough	5.2 mi	4.3% (±2.8 points)	Lower
Raritan Borough	5.2 mi	21.8% (±4.7 points)	Not measurably different

Nearby places with a measurably lower figure: Montgomery Township, NJ (11.0%), Bradley Gardens, NJ (11.2%), Manville Borough, NJ (4.3%).

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 Somerset County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Somerville Borough	40.0% (±5.8 points)
2	North Plainfield Borough	23.7% (±6.0 points)
3	Bedminster Township	23.4% (±6.0 points)
4	Franklin Township (Somerset County)	23.2% (±2.7 points)
5	Raritan Borough	21.8% (±4.7 points)
6	Bound Brook Borough	21.5% (±4.6 points)
7	Hillsborough Township	16.7% (±2.8 points)
8	Green Brook Township	16.5% (±11.1 points)
9 (tie)	Bernards Township	15.5% (±3.1 points)
9 (tie)	Watchung Borough	15.5% (±6.7 points)
11	Branchburg Township	14.7% (±3.9 points)
12	Bridgewater Township	13.8% (±2.2 points)
13	Rocky Hill Borough	12.5% (±21.1 points)

Showing 13 of 21 places in Somerset County, ranked from highest to lowest.

The figures for Hillsborough Township include the places inside it that have pages of their own: Blackwells Mills, Hillsborough.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

What you can do on Seayora in Hillsborough Township

One account for renting, owning, managing and fixing homes, with these figures beside you.

Own or manage a rental?

List it, sign the lease and collect rent online, with the figures for Hillsborough Township beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

Browse homes for rent near Hillsborough Township, save the ones you like and apply online.

Browse rentals · Create a renter account

Do repairs, renovations or maintenance?

Get found by owners and renters near Hillsborough Township, and send estimates and invoices from your phone.

Join as a pro · Find a pro

Questions about Hillsborough Township

How many homes are in Hillsborough Township?

Hillsborough Township, NJ has an estimated 16,537 (±448) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Hillsborough Township houses or apartments?

57.9% are detached houses and 20.1% attached houses, while 22.0% are in buildings of two or more units.

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

5.3% of homes in Hillsborough 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 — Hillsborough township, Somerset 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 Hillsborough township, Somerset County, New Jersey (county subdivision:31890, in state:34 county:035).

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.