What kinds of homes are in Hillsborough, NJ?

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

Hillsborough, NJ has 9,206 (±488) homes (2020–2024 American Community Survey).

That is about 1,150 homes per square mile of land.

39.8% are detached single-family houses.

6.2% are in buildings of two to four units.

20.6% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 9,206 (±488)
Detached houses: 39.8%
2–4 unit buildings: 6.2%
5+ unit buildings: 20.6%

Homes in Hillsborough by building size

Housing units by units in structure, 2020–2024
Building type	Hillsborough	Somerset County	New Jersey	United States
Single-family, detached	39.8% (±3.6 points)	57.8%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	33.4% (±3.7 points)	14.5%	10.0%	6.2%
2 units	2.3% (±1.2 points)	5.2%	8.6%	3.4%
3 or 4 units	3.9% (±2.0 points)	4.5%	6.1%	4.3%
5 to 9 units	7.4% (±2.8 points)	5.1%	4.6%	4.5%
10 to 19 units	6.6% (±1.8 points)	5.1%	4.9%	4.3%
20 or more units	6.6% (±1.8 points)	7.6%	12.3%	10.3%
Mobile home	0.0% (±0.5 points)	0.2%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±0.5 points)	0.0%	0.0%	0.1%

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

It is not measurably different from 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

Nearest places with a published estimate, compared with Hillsborough
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Hillsborough	—	20.6% (±3.8 points)	—
Belle Mead	2.7 mi	24.6% (±8.1 points)	Not measurably different
Millstone Borough	3.1 mi	0.9% (±26.3 points)	Not measurably different
Blackwells Mills	3.4 mi	1.2% (±2.7 points)	Lower
Manville Borough	4.1 mi	4.3% (±2.8 points)	Lower
Weston	4.3 mi	22.5% (±7.6 points)	Not measurably different
Raritan Borough	4.4 mi	21.8% (±4.7 points)	Not measurably different
Bradley Gardens	4.5 mi	11.2% (±3.8 points)	Lower
Neshanic Station	4.6 mi	24.3% (±9.8 points)	Not measurably different

Nearby places with a measurably lower figure: Blackwells Mills, NJ (1.2%), Manville Borough, NJ (4.3%), Bradley Gardens, NJ (11.2%).

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
5	Belle Mead	24.6% (±8.1 points)
6	Neshanic Station	24.3% (±9.8 points)
7	Somerset	23.4% (±4.6 points)
8	Weston	22.5% (±7.6 points)
9	Six Mile Run	22.3% (±11.0 points)
10	Kingston	21.1% (±15.7 points)
11	Hillsborough	20.6% (±3.8 points)
12	The Hills	19.6% (±5.1 points)
13	Green Knoll	16.8% (±5.7 points)
14	Liberty Corner	14.4% (±8.5 points)
15	East Franklin	13.6% (±8.4 points)
16	Basking Ridge	11.7% (±5.6 points)
17	Bradley Gardens	11.2% (±3.8 points)

Showing 13 of 24 places in Somerset County, ranked from highest to lowest.

Hillsborough is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside Hillsborough Township, whose figures include it.

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 Hillsborough

How many homes are in Hillsborough?

Hillsborough, NJ has an estimated 9,206 (±488) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Hillsborough houses or apartments?

39.8% are detached houses and 33.4% attached houses, while 26.8% are in buildings of two or more units.

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

6.2% of homes in Hillsborough 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 CDP, 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 CDP, New Jersey (place:31880, in state:34).

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.