What kinds of homes are in Lake Hopatcong, NJ?

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

Lake Hopatcong, NJ has 4,457 (±340) homes (2020–2024 American Community Survey).

That is about 603 homes per square mile of land.

89.9% are detached single-family houses.

3.2% are in buildings of two to four units.

3.1% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,457 (±340)
Detached houses: 89.9%
2–4 unit buildings: 3.2%
5+ unit buildings: 3.1%

Homes in Lake Hopatcong by building size

Housing units by units in structure, 2020–2024
Building type	Lake Hopatcong	Morris County	New Jersey	United States
Single-family, detached	89.9% (±3.3 points)	65.1%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	1.6% (±1.5 points)	8.6%	10.0%	6.2%
2 units	1.4% (±1.0 points)	3.5%	8.6%	3.4%
3 or 4 units	1.8% (±1.4 points)	3.4%	6.1%	4.3%
5 to 9 units	2.0% (±1.5 points)	3.7%	4.6%	4.5%
10 to 19 units	1.1% (±1.3 points)	5.0%	4.9%	4.3%
20 or more units	0.0% (±1.0 points)	10.5%	12.3%	10.3%
Mobile home	2.2% (±2.1 points)	0.3%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±1.0 points)	0.0%	0.0%	0.1%

In Lake Hopatcong, 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 Lake Hopatcong

Nearest places with a published estimate, compared with Lake Hopatcong
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Lake Hopatcong	—	3.1% (±2.2 points)	—
Hopatcong Borough	2.8 mi	1.0% (±1.4 points)	Not measurably different
Mount Arlington Borough	3.1 mi	32.7% (±6.8 points)	Higher
Mount Hope	4.2 mi	66.6% (±10.5 points)	Higher
Landing	4.6 mi	5.5% (±6.4 points)	Not measurably different
Wharton Borough	4.7 mi	26.5% (±9.0 points)	Higher
Lake Mohawk	4.9 mi	1.5% (±1.6 points)	Not measurably different
Roxbury Township	5.4 mi	9.9% (±3.3 points)	Higher
Byram Township	5.4 mi	0.8% (±1.7 points)	Not measurably different

Nearby places with a measurably higher figure: Mount Arlington Borough, NJ (32.7%), Mount Hope, NJ (66.6%), Wharton Borough, NJ (26.5%).

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
12	Whippany	13.0% (±4.0 points)
13	Oak Ridge	6.0% (±4.1 points)
14	White Meadow Lake	5.7% (±5.0 points)
15	Landing	5.5% (±6.4 points)
16	Millington	5.2% (±7.3 points)
17	Stirling	3.4% (±8.8 points)
18 (tie)	Lake Hopatcong	3.1% (±2.2 points)
18 (tie)	Towaco	3.1% (±2.6 points)
20	Succasunna	2.3% (±1.3 points)
21 (tie)	Brookside	0.0% (±13.7 points)
21 (tie)	Gillette	0.0% (±6.8 points)
21 (tie)	Kenvil	0.0% (±11.6 points)
21 (tie)	Lake Telemark	0.0% (±14.2 points)

Showing 13 of 27 places in Morris County, ranked from highest to lowest.

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

It lies inside Jefferson 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 Lake Hopatcong

How many homes are in Lake Hopatcong?

Lake Hopatcong, NJ has an estimated 4,457 (±340) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Lake Hopatcong houses or apartments?

89.9% are detached houses and 1.6% attached houses, while 6.3% are in buildings of two or more units.

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

3.2% of homes in Lake Hopatcong 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 — Lake Hopatcong 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 Lake Hopatcong CDP, New Jersey (place:37710, 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.