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Mountain Lake, New Jersey: commercial real estate data.

Mountain Lake is a Census CDP of 574 people across 1.13 square miles of land, in Warren County. Median household income is $108,056, 90.2 percent of occupied homes are owned.

Underlined figures are computed by MMCG Analytics, not published by the agency.

Mountain Lake

What Mountain Lake is

  • Census place typeCDP
  • Land area1.13 sq mi
  • Water area0.18 sq mi
  • Population per square mile of land510 plus or minus 179
  • County holding the largest share of its areaWarren County, 100.0 percent

US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Mountain Lake

How many people live in Mountain Lake

  • Population574 plus or minus 202
  • Median age55.4
  • Population under 1836 plus or minus 34
  • Share under 186.3 percent plus or minus 5.6
  • Population 65 and over90 plus or minus 41
  • Share 65 and over15.7 percent plus or minus 4.5
  • Households244 plus or minus 75
  • Family households176 plus or minus 71
  • Share of households that are families72.1 percent plus or minus 18.8

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Mountain Lake

Income and work in Mountain Lake

  • Median household income$108,056
  • Per capita income$61,357
  • Civilian labor force425 plus or minus 176
  • Employed419 plus or minus 176
  • Unemployed6 plus or minus 10
  • Unemployment rate1.4 percent plus or minus 2.3
  • Adults 25 and over504 plus or minus 175
  • Adults 25 and over with a high school diploma or higher93.8 percent plus or minus 41.9
  • Adults 25 and over with a bachelor degree or higher25.6 percent
  • Adults 25 and over with a graduate degree8.7 percent plus or minus 6.0

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Mountain Lake

Housing in Mountain Lake

  • Housing units308 plus or minus 92
  • Occupied units244 plus or minus 75
  • Vacant units64 plus or minus 62
  • Vacancy rate20.8 percent plus or minus 19.1
  • Owner occupied220 plus or minus 75
  • Renter occupied24 plus or minus 17
  • Ownership rate90.2 percent
  • Median owner-occupied home value$340,000
  • Median gross rent, monthly$1,808
  • Annual rent as a share of median income20.1 percent plus or minus 4.9
  • Single family units308 plus or minus 93
  • Share single family100.0 percent
  • Units in buildings of two or more0
  • Share in buildings of two or more0.0 percent
  • Mobile homes0
  • Median year structure built1956

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Mountain Lake

How Mountain Lake gets to work

  • Workers 16 and over who commute395 plus or minus 178
  • Commuting under 15 minutes88 plus or minus 63
  • Share commuting under 15 minutes22.3 percent plus or minus 12.5
  • Commuting 30 minutes or more197 plus or minus 92
  • Share commuting 30 minutes or more49.9 percent
  • Drove alone74.0 percent plus or minus 24.6
  • Carpooled16.0 percent plus or minus 13.5
  • Public transport2.1 percent plus or minus 3.0
  • Walked2.1 percent plus or minus 3.0
  • Worked from home5.7 percent plus or minus 4.4

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Warren County, not Mountain Lake

Warren County context, not Mountain Lake figures

  • Establishments in Warren County2,286
  • Covered employment, Warren County33,264
  • Average annual pay, Warren County$64,742
  • Housing units permitted, Warren County720

Every figure in this section is published for Warren County as a whole and is not a measurement of Mountain Lake.

All Warren County figures →

US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.

Coverage

What this page does not hold.

Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →

Common questions

Mountain Lake questions, answered from the record.

How many people live in Mountain Lake, New Jersey?

574, in 244 households. Mountain Lake CDP covers 1.13 square miles of land, which is 510 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is Mountain Lake in?

Warren County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.

What is the median household income in Mountain Lake?

$108,056. The median owner-occupied home is valued at $340,000. Median gross rent is $1,808 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Are the county figures on this page Mountain Lake figures?

No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Warren County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Mountain Lake.

Is zoning published for Mountain Lake?

No. Nothing on this page presents parcel level zoning.