Mountain Lakes, New Jersey
Borough in Morris County, New Jersey
| Census | Population |
|---|---|
| 2000 | 4,256 |
| 2010 | 4,160 |
| 2020 | 4,472 |
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.
| Measure | Mountain Lakes | Morris County | New Jersey |
|---|---|---|---|
| Population | 4,535 | 510,375 | 9,267,014 |
| Median household income | $250,001 | $134,929 | $101,050 |
| Median age | 43.6 | 42.7 | 40.1 |
| Median home value | $915,100 | $557,000 | $427,600 |
| Bachelor’s degree or higher | 84.4% | 57.2% | 42.9% |
| Foreign-born residents | 12.9% | 19.6% | 23.5% |
| Owner-occupied homes | 97.1% | 73.9% | 63.7% |
| Mean commute to work | 34.9 minutes | 30.1 minutes | 30.9 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.
Median household income $250,001 · 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.
- Owner occupied
- 1,377 units
- Renter occupied
- 41 units
- Vacancy rate
- 2.3%
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.
| School | Type | Grades | District |
|---|---|---|---|
| Lake Drive Program for Hearing Impaired | Special education | Pre-K–8 | Mountain Lakes Public School District |
| Wildwood Elementary School | Public | K–5 | Mountain Lakes Public School District |
| Briarcliff Middle School | Public | 6–8 | Mountain Lakes Public School District |
| Mountain Lakes High School | Public | 9–12 | Mountain Lakes 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.
Community
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Nearby towns
- Rainbow LakesCensus designated place
- BoontonTown
- Mount TaborCensus designated place
- Parsippany-Troy Hills TownshipTownship
- ParsippanyCensus designated place
- Denville TownshipTownship
- Boonton TownshipTownship
- Lake HiawathaCensus designated place
- Troy HillsCensus designated place
- RockawayBorough
Other towns in Morris County
- Boonton TownshipTownship
- BoontonTown
- BrooksideCensus designated place
- Budd LakeCensus designated place
- ButlerBorough
- Cedar KnollsCensus designated place
- Chatham TownshipTownship
- ChathamBorough
- Chester TownshipTownship
- ChesterBorough
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- Type
- Borough
- County
- Morris County
- Land area
- 2.64 sq mi
- Water area
- 0.26 sq mi
- Population
- 4,644 (2024 estimate)
- Households
- 1,418
- Median age
- 43.6
- Median household income
- $250,001
- Median home value
- $915,100
- Median gross rent
- $2,941
- Owner-occupied homes
- 97.1%
- Bachelor’s degree or higher
- 84.4%
- Foreign-born residents
- 12.9%
- Mean commute to work
- 34.9 minutes
- Census GEOID
- 3448480
Sources: Census Gazetteer 2025: places, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 34, retrieved November 14, 2026; American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.
- ZIP codes
- 07046
- 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.