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Lake Mohawk, New Jersey

Census designated place in Sussex County, New Jersey

Population, 2000 to 20200.0%
9.7k9.8k9.9k10k2000: 9,75520002010: 9,91620102020: 9,75920209,7559,759
Population of Lake Mohawk at each census
CensusPopulation
20009,755
20109,916
20209,759

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 34, retrieved November 14, 2026.

Lake Mohawk compared with its county and state
Lake Mohawk compared with its county and state, American Community Survey 2019-2023
MeasureLake MohawkSussex CountyNew Jersey
Population9,116145,1179,267,014
Median household income$145,806$114,316$101,050
Median age44.944.140.1
Median home value$418,800$342,800$427,600
Bachelor’s degree or higher58.3%40.0%42.9%
Foreign-born residents7.6%8.6%23.5%
Owner-occupied homes86.5%84.9%63.7%
Mean commute to work37.2 minutes36.3 minutes30.9 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

Household income in Lake Mohawk
Under $50k12.2%
$50k to $100k19.6%
$100k to $150k19.1%
$150k to $200k18.4%
$200k and over30.8%

Median household income $145,806 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 34, retrieved November 14, 2026.

Housing tenure in Lake Mohawk
Owner occupied
3,254 units
Renter occupied
509 units
Vacancy rate
8.1%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

Public schools in Lake Mohawk3
Public schools in Lake Mohawk, NCES directory 2023–2024
SchoolTypeGradesDistrict
Alpine Elementary SchoolPublicPre-K–2Sparta Township Public School District
Helen Morgan SchoolPublic4–5Sparta Township Public School District
Mohawk Avenue SchoolPublic3Sparta Township Public School District

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

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Lake Mohawk at a glance
Type
Census designated place
Land area
5.02 sq mi
Water area
1.17 sq mi
Population
9,116 (2019-2023 estimate)
Households
3,763
Median age
44.9
Median household income
$145,806
Median home value
$418,800
Median gross rent
$1,838
Owner-occupied homes
86.5%
Bachelor’s degree or higher
58.3%
Foreign-born residents
7.6%
Mean commute to work
37.2 minutes
Census GEOID
3438040

Sources: Census Gazetteer 2025: places, retrieved November 14, 2026; American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

ZIP codes and metro area
ZIP codes
07821, 07871
Metro area
New York-Newark-Jersey City, NY-NJ

Sources: Census 2020 ZCTA relationship file: ZCTAs to places, retrieved November 14, 2026; Census Gazetteer 2025: metropolitan and micropolitan areas, retrieved November 14, 2026.