What kinds of homes are in Millstone Borough, NJ?

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

Millstone Borough, NJ has 217 (±62) homes (2020–2024 American Community Survey).

That is about 319 homes per square mile of land.

92.2% are detached single-family houses.

6.9% 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: 217 (±62)
Detached houses: 92.2%
2–4 unit buildings: 6.9%
5+ unit buildings: 0.9%

Homes in Millstone Borough by building size

Housing units by units in structure, 2020–2024
Building type	Millstone Borough	Somerset County	New Jersey	United States
Single-family, detached	92.2% (±6.7 points)	57.8%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	0.0% (±18.6 points)	14.5%	10.0%	6.2%
2 units	6.0% (±6.7 points)	5.2%	8.6%	3.4%
3 or 4 units	0.9% (±1.5 points)	4.5%	6.1%	4.3%
5 to 9 units	0.9% (±1.1 points)	5.1%	4.6%	4.5%
10 to 19 units	0.0% (±18.6 points)	5.1%	4.9%	4.3%
20 or more units	0.0% (±18.6 points)	7.6%	12.3%	10.3%
Mobile home	0.0% (±18.6 points)	0.2%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±18.6 points)	0.0%	0.0%	0.1%

In Millstone Borough, 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 Millstone Borough

Nearest places with a published estimate, compared with Millstone Borough
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Millstone Borough	—	0.9% (±26.3 points)	—
Blackwells Mills	1.3 mi	1.2% (±2.7 points)	Not measurably different
Weston	1.9 mi	22.5% (±7.6 points)	Not measurably different
Franklin Township (Somerset County)	2.9 mi	23.2% (±2.7 points)	Not measurably different
Manville Borough	2.9 mi	4.3% (±2.8 points)	Not measurably different
Hillsborough	3.1 mi	20.6% (±3.8 points)	Not measurably different
Middlebush	3.2 mi	0.0% (±11.1 points)	Not measurably different
Franklin Center	3.6 mi	32.3% (±9.0 points)	Higher
Six Mile Run	3.8 mi	22.3% (±11.0 points)	Not measurably different

Nearby places with a measurably higher figure: Franklin Center, NJ (32.3%).

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
14	Montgomery Township	11.0% (±2.6 points)
15	South Bound Brook Borough	9.4% (±5.0 points)
16	Warren Township	8.4% (±5.6 points)
17	Far Hills Borough	4.9% (±2.4 points)
18	Bernardsville Borough	4.7% (±3.5 points)
19	Manville Borough	4.3% (±2.8 points)
20	Millstone Borough	0.9% (±26.3 points)
21	Peapack and Gladstone Borough	0.0% (±7.6 points)

Showing 8 of 21 places in Somerset 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 Millstone Borough

How many homes are in Millstone Borough?

Millstone Borough, NJ has an estimated 217 (±62) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Millstone Borough houses or apartments?

92.2% are detached houses and 0.0% attached houses, while 7.8% are in buildings of two or more units.

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

6.9% of homes in Millstone Borough 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 — Millstone borough, 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 Millstone borough, Somerset County, New Jersey (county subdivision:46590, 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.