What kinds of homes are in South Amboy, NJ?

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

South Amboy, NJ has 4,493 (±354) homes (2020–2024 American Community Survey).

That is about 2,921 homes per square mile of land.

45.0% are detached single-family houses.

18.9% are in buildings of two to four units.

19.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,493 (±354)
Detached houses: 45.0%
2–4 unit buildings: 18.9%
5+ unit buildings: 19.7%

Homes in South Amboy by building size

Housing units by units in structure, 2020–2024
Building type	South Amboy	Middlesex County	New Jersey	United States
Single-family, detached	45.0% (±7.9 points)	52.4%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	15.8% (±5.5 points)	11.1%	10.0%	6.2%
2 units	11.2% (±5.3 points)	6.6%	8.6%	3.4%
3 or 4 units	7.7% (±6.8 points)	5.2%	6.1%	4.3%
5 to 9 units	8.8% (±7.6 points)	6.0%	4.6%	4.5%
10 to 19 units	0.6% (±1.0 points)	8.2%	4.9%	4.3%
20 or more units	10.3% (±4.3 points)	9.8%	12.3%	10.3%
Mobile home	0.6% (±0.9 points)	0.8%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±1.0 points)	0.0%	0.0%	0.1%

In South Amboy, the share of homes in buildings of five or more units is not measurably different from Middlesex County (24.0%).

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 South Amboy

Nearest places with a published estimate, compared with South Amboy
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
South Amboy	—	19.7% (±8.8 points)	—
Perth Amboy	2.4 mi	27.8% (±3.4 points)	Not measurably different
Sayreville Borough	2.6 mi	23.0% (±3.5 points)	Not measurably different
Keasbey	2.6 mi	53.6% (±20.2 points)	Higher
Laurence Harbor	2.9 mi	6.4% (±4.3 points)	Lower
Madison Park	2.9 mi	56.1% (±11.9 points)	Higher
Hopelawn	3.0 mi	22.1% (±14.0 points)	Not measurably different
Fords	3.9 mi	18.8% (±5.1 points)	Not measurably different
Edison Township	3.9 mi	29.6% (±2.2 points)	Higher

Nearby places with a measurably lower figure: Laurence Harbor, NJ (6.4%).

Nearby places with a measurably higher figure: Keasbey, NJ (53.6%), Madison Park, NJ (56.1%), Edison Township, NJ (29.6%).

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 Middlesex County, place by place

Rank	Place	Homes in buildings of 5 or more units
6	Edison Township	29.6% (±2.2 points)
7	Perth Amboy	27.8% (±3.4 points)
8	Piscataway Township	27.6% (±3.6 points)
9	Woodbridge Township	25.5% (±2.5 points)
10	Sayreville Borough	23.0% (±3.5 points)
11	Old Bridge Township	20.9% (±2.5 points)
12	South Amboy	19.7% (±8.8 points)
13 (tie)	Carteret Borough	19.5% (±4.9 points)
13 (tie)	East Brunswick Township	19.5% (±2.8 points)
15	South Brunswick Township	16.8% (±2.7 points)
16	Metuchen Borough	16.6% (±3.2 points)
17	Middlesex Borough	16.4% (±4.9 points)
18	South River Borough	15.1% (±4.5 points)

Showing 13 of 25 places in Middlesex 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 South Amboy

How many homes are in South Amboy?

South Amboy, NJ has an estimated 4,493 (±354) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in South Amboy houses or apartments?

45.0% are detached houses and 15.8% attached houses, while 38.6% are in buildings of two or more units.

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

18.9% of homes in South Amboy 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 — South Amboy city, Middlesex 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 South Amboy city, Middlesex County, New Jersey (county subdivision:68550, in state:34 county:023).

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.