What kinds of homes are in Mendham Borough, NJ?

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

Mendham Borough, NJ has 1,856 (±125) homes (2020–2024 American Community Survey).

That is about 313 homes per square mile of land.

79.8% are detached single-family houses.

1.6% are in buildings of two to four units.

4.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,856 (±125)
Detached houses: 79.8%
2–4 unit buildings: 1.6%
5+ unit buildings: 4.5%

Homes in Mendham Borough by building size

Housing units by units in structure, 2020–2024
Building type	Mendham Borough	Morris County	New Jersey	United States
Single-family, detached	79.8% (±4.7 points)	65.1%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	14.1% (±3.9 points)	8.6%	10.0%	6.2%
2 units	0.0% (±2.4 points)	3.5%	8.6%	3.4%
3 or 4 units	1.6% (±1.6 points)	3.4%	6.1%	4.3%
5 to 9 units	1.3% (±1.3 points)	3.7%	4.6%	4.5%
10 to 19 units	1.8% (±2.1 points)	5.0%	4.9%	4.3%
20 or more units	1.4% (±2.0 points)	10.5%	12.3%	10.3%
Mobile home	0.0% (±2.4 points)	0.3%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±2.4 points)	0.0%	0.0%	0.1%

In Mendham Borough, the share of homes in buildings of five or more units is lower than in Morris County (19.2%).

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 Mendham Borough

Nearest places with a published estimate, compared with Mendham Borough
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Mendham Borough	—	4.5% (±3.2 points)	—
Bernardsville Borough	2.6 mi	4.7% (±3.5 points)	Not measurably different
Brookside	2.6 mi	0.0% (±13.7 points)	Not measurably different
Mendham Township	2.8 mi	0.7% (±3.2 points)	Not measurably different
Peapack and Gladstone Borough	4.6 mi	0.0% (±7.6 points)	Not measurably different
Chester Township	4.7 mi	0.0% (±2.9 points)	Lower
Basking Ridge	4.7 mi	11.7% (±5.6 points)	Higher
Chester Borough	5.1 mi	11.4% (±4.5 points)	Higher
Randolph Township	5.2 mi	10.1% (±2.5 points)	Higher

Nearby places with a measurably lower figure: Chester Township, NJ (0.0%).

Nearby places with a measurably higher figure: Basking Ridge, NJ (11.7%), Chester Borough, NJ (11.4%), Randolph Township, NJ (10.1%).

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 Morris County, place by place

Rank	Place	Homes in buildings of 5 or more units
25	Boonton Town	8.8% (±3.9 points)
26	Morris Township	8.7% (±1.7 points)
27	Chatham Borough	7.4% (±2.8 points)
28	Washington Township (Morris County)	5.7% (±2.8 points)
29	East Hanover Township	5.1% (±2.9 points)
30	Jefferson Township	4.7% (±2.3 points)
31	Mendham Borough	4.5% (±3.2 points)
32	Kinnelon Borough	3.8% (±1.7 points)
33	Long Hill Township	2.7% (±2.3 points)
34	Harding Township	0.8% (±4.5 points)
35	Mendham Township	0.7% (±3.2 points)
36	Mine Hill Township	0.6% (±4.2 points)
37	Boonton Township	0.3% (±4.1 points)

Showing 13 of 39 places in Morris 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 Mendham Borough

How many homes are in Mendham Borough?

Mendham Borough, NJ has an estimated 1,856 (±125) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Mendham Borough houses or apartments?

79.8% are detached houses and 14.1% attached houses, while 6.1% are in buildings of two or more units.

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

1.6% of homes in Mendham 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 — Mendham borough, Morris 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 Mendham borough, Morris County, New Jersey (county subdivision:45330, in state:34 county:027).

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.