Borough · New Jersey

Hopatcong, New Jersey

Hopatcong, borough, in Sussex County, New Jersey. Hopatcong had 14,824 residents on July 1, 2025 by the Census Bureau's estimate, up 3.2% since 2020; the 2020 Census counted 14,362 and the ACS 2020-2024 5-year estimates put it at 14,565 (±49). GEOID 3432910.

Residents, July 2025 estimate

14,824

Census Bureau estimate (no margin published)
2020 Census count: 14,362 · ACS 2020-2024: 14,565 ±49

Median household income

$115,758

±$8,113 (90% margin)
New Jersey: $103,556

Median home value

$340,700

±$12,503 (90% margin)
New Jersey: $454,400

Median gross rent

$1,777

±$251 (90% margin)
New Jersey: $1,720

Where is Hopatcong and what county is it in?

Hopatcong is a borough in Sussex County, New Jersey. It covers 10.9 square miles of land, 1,320 residents per square mile in 2020.

Hopatcong is in the New York-Newark-Jersey City, NY-NJ metropolitan statistical area, which takes in 22 counties (Census Bureau delineation, July 2023).

Hopatcong (marked with a dot) in Sussex County, New Jersey. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Hopatcong, and is it growing?

The Census Bureau estimates that 14,824 people lived in Hopatcong on July 1, 2025, up 3.2% since 2020, in line with New Jersey (+2.8%). The 2020 Census counted 14,362 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 14,565 (±49).

  • July 2020→2021 +163 (14,496)
  • 2021→2022 +55 (14,551)
  • 2022→2023 +92 (14,643)
  • 2023→2024 +108 (14,751)
  • 2024→2025 +73 (14,824)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
Measure HopatcongSussex CountyNew Jersey Change since 2015-2019
Total population 14,565 ±49 145,807 9,343,809 +284
Households 5,964 ±293 57,767 3,507,701 +394
Average household size 2.44 ±0.12 2.50 2.62 no clear change
Housing units 6,496 ±285 62,865 3,791,354 no clear change

Hopatcong's population since 2000

From 15,888 in 2000 to 14,824 in 2025: down 6.7%. The 2000, 2010 and 2020 figures are census counts, each for Hopatcong as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 15,888
  • 2005 (estimate) 15,846
  • 2010 Census 15,147
  • 2015 (estimate) 14,430
  • 2020 Census 14,362
  • 2025 (estimate) 14,824

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Hopatcong?

The median resident of Hopatcong is 41.0 years old; 17.6% are under 18 and 13.2% are 65 or older. The largest group is non-Hispanic white residents at 68.3%, then Hispanic or Latino residents (of any race) at 23.6%. 14.6% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure HopatcongSussex CountyNew Jersey Change since 2015-2019
Median age 41.0 ±2.0 43.8 40.1 no clear change
Under 18 years 17.6% ±2.0 pts 19.5% 21.8% –
65 years and over 13.2% ±1.5 pts 19.0% 17.2% –
Male 52.1% ±1.9 pts 50.4% 49.2% –
Hispanic or Latino (any race) 23.6% ±3.5 pts 11.9% 22.5% +6.7 pts
White alone, not Hispanic 68.3% ±4.3 pts 79.7% 50.9% −6.8 pts
Black or African American alone, not Hispanic 1.7% ±1.0 pts 1.7% 12.2% no clear change
Asian alone, not Hispanic 2.3% ±1.1 pts 2.0% 10.0% −2.2 pts
American Indian and Alaska Native alone, not Hispanic 0.0% ±0.3 pts 0.1% 0.1% –
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±0.3 pts 0.0% 0.0% –
Two or more races, not Hispanic 3.1% ±1.5 pts 4.0% 3.5% –
Some other race alone, not Hispanic 1.0% ±0.8 pts 0.6% 0.8% –
Born outside the United States 14.6% ±2.7 pts 8.7% 23.9% no clear change
Speak a language other than English at home (age 5+) 21.6% ±3.6 pts 12.2% 33.1% –
Civilian veterans (age 18+) 3.9% ±0.9 pts 4.8% 3.7% –
With a disability 10.6% ±1.7 pts 11.7% 10.8% –
No health insurance coverage 4.2% ±2.0 pts 3.8% 7.5% no clear change
High school graduate or higher (age 25+) 94.3% ±1.6 pts 95.4% 90.7% –
Bachelor's degree or higher (age 25+) 34.6% ±3.5 pts 40.3% 43.6% +5.2 pts
Graduate or professional degree (age 25+) 12.8% ±3.0 pts 14.5% 17.6% –
Lived in the same house a year earlier 91.4% ±2.7 pts 92.2% 90.4% –
Moved from another state in the past year 2.0% ±1.9 pts 1.5% 1.8% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Hopatcong earn?

Half of Hopatcong's 5,964 households earn less than $115,758 a year (±$8,113), against $116,186 in Sussex County and $103,556 in New Jersey. In 2015-2019 it was $110,024 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
Measure HopatcongSussex CountyNew Jersey Change since 2015-2019
Median household income $115,758 ±$8,113 $116,186 $103,556 no clear change
Mean household income $135,609 ±$11,358 $144,531 $143,363 –
Per capita income $56,016 ±$5,203 $57,252 $54,253 no clear change
People below the poverty line 4.2% ±1.7 pts 5.5% 9.7% no clear change
Children under 18 below the poverty line 5.6% ±4.5 pts 7.3% 13.0% –
Households receiving SNAP 2.7% ±1.4 pts 3.1% 9.1% –
Households with a computer 97.4% ±1.5 pts 97.0% 95.9% –
Households with a broadband subscription 97.1% ±1.1 pts 94.5% 92.8% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Hopatcong?

Owners occupy 87.1% of Hopatcong's occupied homes and renters 12.9%. The median owner-occupied home is valued at $340,700 by its owner (±$12,503). The median renter pays $1,777 a month including utilities, and 42.7% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
Measure HopatcongSussex CountyNew Jersey Change since 2015-2019
Median home value (owner-occupied) $340,700 ±$12,503 $369,400 $454,400 +$49,026
Median gross rent $1,777 ±$251 $1,585 $1,720 no clear change
Renters paying 35% or more of income on rent 42.7% ±12.4 pts 46.0% 42.7% no clear change
Median monthly owner costs, with a mortgage $2,349 ±$96 $2,473 $2,829 –
Owner-occupied homes 87.1% ±2.9 pts 83.7% 63.8% no clear change
Renter-occupied homes 12.9% ±2.9 pts 16.3% 36.2% –
Housing units 6,496 ±285 62,865 3,791,354 no clear change
Homeowner vacancy rate 0.9% ±1.0 pts 0.9% 0.7% –
Rental vacancy rate 2.8% ±4.4 pts 4.4% 3.5% –
Single-family detached homes 94.2% ±2.4 pts 78.0% 52.6% –
Mobile homes 0.0% ±0.7 pts 1.7% 0.9% –
Built 2020 or later 0.8% ±1.0 pts 0.7% 1.1% –
Built 2010 to 2019 2.1% ±1.0 pts 2.1% 6.2% –
Built 1939 or earlier 7.0% ±2.2 pts 14.1% 17.4% –
Households with no vehicle 1.4% ±1.1 pts 3.3% 11.1% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Hopatcong building?

Builders took permits for 8 new housing units in Hopatcong in 2025 (8 in single-family houses), 0.5 per 1,000 residents against 2.9 across New Jersey.

  • 2019 6 units
  • 2020 3 units
  • 2021 7 units
  • 2022 6 units
  • 2023 13 units
  • 2024 13 units
  • 2025 8 units

Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.

Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Hopatcong work and get to work?

74.6% of Hopatcong's workers drive alone and 15.9% work from home. The average trip to work takes 36.9 minutes. The unemployment rate in 2020-2024 averaged 2.9%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
Measure HopatcongSussex CountyNew Jersey Change since 2015-2019
In the labor force (age 16+) 75.2% ±2.1 pts 68.3% 66.4% –
Unemployment rate 2.9% ±1.1 pts 5.1% 6.3% no clear change
Drove alone to work 74.6% ±4.0 pts 76.3% 62.2% –
Carpooled 7.6% ±2.6 pts 6.2% 7.7% –
Public transportation 1.4% ±1.2 pts 0.9% 8.1% –
Walked 0.1% ±0.1 pts 0.8% 2.6% –
Worked from home 15.9% ±3.4 pts 14.9% 16.8% +12.9 pts
Mean travel time to work 36.9 min ±2.4 36.3 min 30.5 min no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What census tracts are in Hopatcong?

4 census tracts lie mostly in Hopatcong (2020 census blocks). Their median household incomes run from $107,596 (Tract 3749) to $125,938 (Tract 3745).

Census tracts in Hopatcong, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Hopatcong
Tract 3748Sussex County4,815 $113,447 $349,30099%
Tract 3747Sussex County4,096 $116,699 $370,200100%
Tract 3749Sussex County3,826 $107,596 $311,800100%
Tract 3745Sussex County1,828 $125,938 $316,100100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Hopatcong) · Census block assignment files

How does Hopatcong compare with other places in New Jersey?

By the Census Bureau's July 2025 estimates, Hopatcong is the 2,419th-most populous of the 19,476 U.S. incorporated places that have one and the 71st-most populous of 323 in New Jersey.

Hopatcong ranks 358th of 771 places in New Jersey with 1,000 or more residents and a reliable estimate, by median household income.

Hopatcong's rank in New Jersey (1 = highest): by population among the state's incorporated places with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate71st323
Growth 2020-2025 (PEP)156th532
Residents per square mile517th787
Median household income358th771
Per capita income369th785
Median home value569th777
Median gross rent354th701
Poverty rate397th539
Bachelor's degree or higher514th780
Median age499th786
Owner-occupied share251st777
Work from home400th695
Travel time to work89th787

Hopatcong's figures with every place in New Jersey (CSV)

Every place in New Jersey, sortable · Compare Hopatcong with other places

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How reliable are the figures for Hopatcong?

12 of the 57 figures for Hopatcong on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Hopatcong are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Hopatcong.