Mountain Lake CDP, NJ Profile: Facts, Map & Data


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Mountain Lake CDP, New Jersey - Basic Facts

The Mountain Lake Census Designated Place had a population of 548 as of July 1, 2017. Mountain Lake CDP ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New Jersey. See peer rankings below.

The primary coordinate point for Mountain Lake CDP is located at latitude 40.8598 and longitude -74.9876 in Warren County. The formal boundaries for the Mountain Lake Census Designated Place (see map below) encompass a land area of 1.13 sq. miles and a water area of 0.17 sq. miles.

The Mountain Lake Census Designated Place (GNIS ID: 2584012) has a U2 Census Class Code which indicates a census designated place without an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Mountain Lake Census Designated Place is located within Township of Liberty, a minor civil division (MCD) of Warren County.

Beneath the boundary map are tables with Mountain Lake CDP population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Mountain Lake Census Designated Place, NJ Boundary Map

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Boundary Maps: Township of Liberty | Warren County | New Jersey Counties

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Mountain Lake CDP, NJ Data & Demographics (As of July 1, 2017)


Total Population 548
Daytime Population: Workers 65
Daytime Population: Residents 271
Total Daytime Population (TDP) 336
Ratio TDP/Total Population1 0.61
Population in Households 548
Population in Familes 430
Population in Group Qrtrs 0
Population Density2 485
Diversity Index3 15


Median Household Income $60,701
Average Household Income $79,311
Per Capita Income $35,492


Total Housing Units 315 (100%)
Owner Occupied HU 201 (63.8%)
Renter Occupied HU 49 (15.6%)
Vacant Housing Units 65 (20.6%)
Median Home Value $223,529
Average Home Value $238,738


Total Households 250
Average Household Size 2.19
Family Households 154
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.66% -0.29%
Households -0.59% -0.32%
Families 0.0% -0.26%
Median Household Income   1.68%
Per Capita Income   3.05%

Mountain Lake CDP, NJ - Peer Comparisons by Rank and Percentile

The table below compares Mountain Lake CDP to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 496 9th
Population Density # 491 10th
Diversity Index # 494 10th
Median Household Income # 397 27th
Per Capita Income # 319 42nd

Additional comparisons and rankings can be made with a VERY EASY TO USE New Jersey Census Data Comparison Tool.

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