Lake Hopatcong, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Lake Hopatcong, New Jersey is 10,383 as of the 2023 American Community Survey, making it the 146th-largest city in New Jersey. The median household income is $111,614, the median home value is $388,300, and the median age is 46.5.
10,383
Population
1406
People / sq mi
$111,614
Median Income
$388,300
Median Home Value
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Lake Hopatcong covers 7.4 sq mi of land at 1406 people per square mile.
About Lake Hopatcong, NJ
Homeownership is the standout figure in Lake Hopatcong: 93.4% of homes are owner-occupied, higher than the national rate. With 10,383 residents, Lake Hopatcong is a city in New Jersey.
The typical household earns $111,614 a year, above the US median of $78,538. Very few residents live in poverty — 2.2%, below the national 12.4%. Homes carry a median value of $388,300, with typical rent around $1,599.
43.0% of adults 25 and older hold a bachelor’s degree, above the national average of 35.0%. Remote work is below the national 14.0% at 12.7%, and the average commute runs about 30 minutes each way.
The ownership rate anchors the housing story in Lake Hopatcong, and tends to move with the age structure and home-value figures above.
Race & Ethnicity
| White | 77.4% |
| Black or African American | 6.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.3% |
| Two or More Races | 0.0% |
Economy & Income
$111,614
Median Household Income
$54,567
Per Capita Income
2.2%
Poverty Rate
1.7%
Unemployment Rate
Housing
$388,300
Median Home Value
$1,599
Median Rent
93.4%
Owner-Occupied
Education
95.4%
High School+
43.0%
Bachelor's+
Commute
3.5%
Drive Alone
76.7%
Public Transit
12.7%
Work From Home
29.8 min
Avg Commute
Community Profile
22.2%
Foreign Born
82.7%
Non-English at Home
7.7%
Veterans
13.6%
With Disability
96.4%
Health Insurance
98.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.0% |
| Manufacturing | 16.0% |
| Finance, Insurance & Real Estate | 12.0% |
| Education, Health Care & Social Services | 8.1% |
| Public Administration | 7.2% |
| Construction | 6.7% |
| Retail Trade | 4.4% |
| Information | 4.2% |
| Arts, Entertainment & Food Services | 3.7% |
| Transportation & Warehousing | 1.6% |
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Frequently Asked Questions
Lake Hopatcong, New Jersey has a population of 10,383 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 146th-largest city in New Jersey.
The median household income in Lake Hopatcong, New Jersey is $111,614, with 2.2% of residents living below the federal poverty level.
The median home value in Lake Hopatcong, New Jersey is $388,300, with median monthly rent at $1,599 and a homeownership rate of 93.4%.
The median age in Lake Hopatcong, New Jersey is 46.5 years. The population is 49.8% male and 50.2% female.
Lake Hopatcong Cdp, NJ Climate
Lake Hopatcong Cdp, NJ has an average annual temperature of 9.2°C (49°F) and receives about 1284 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.2°C
Avg Temp
1284
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 25° | 96 mm |
| February | -3° / 27° | 82 mm |
| March | 2° / 36° | 103 mm |
| April | 8° / 47° | 111 mm |
| May | 14° / 57° | 120 mm |
| June | 19° / 65° | 113 mm |
| July | 21° / 71° | 120 mm |
| August | 21° / 69° | 115 mm |
| September | 17° / 62° | 115 mm |
| October | 11° / 51° | 99 mm |
| November | 5° / 41° | 112 mm |
| December | 0° / 31° | 98 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lake Hopatcong Cdp, NJ
The most comfortable months to visit Lake Hopatcong Cdp, NJ are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -9°C low). May is usually the wettest month.
Where to stay near Lake Hopatcong
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.