Mountain Lake is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

and

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the count ...

(CDP) located within Liberty Township in

Warren County Warren County is the name of fourteen counties in the USA. Some are named after General Joseph Warren, who was killed in the Battle of Bunker Hill in the American Revolutionary War: * Warren County, Georgia * Warren County, Illinois * Warren County ...

, in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware ...

, that was created as part of the

2010 United States Census The United States census of 2010 was the twenty-third United States national census. National Census Day, the reference day used for the census, was April 1, 2010. The census was taken via mail-in citizen self-reporting, with enumerators servi ...

.2006-2010 American Community Survey Geography for New Jersey

United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of t ...

. Accessed June 4, 2013.New Jersey: 2010 - Population and Housing Unit Counts - 2010 Census of Population and Housing (CPH-2-32)

, p. III-5, August 2012. Accessed June 4, 2013. "Warren County—Name Changes: Beattystown CDP name corrected from Beatyestown; New CDPs: Allamuchy (formed from part of deleted Allamuchy-Panther Valley CDP), Anderson, Asbury, Blairstown, Brainards, Bridgeville, Broadway, Brookfield, Buttzville, Columbia, Delaware, Delaware Park, Finesville, Great Meadows (formed from part of deleted Great Meadows-Vienna CDP and additional area), Greenwich, Hainesburg, Harmony, Hope, Hutchinson, Johnsonburg, Lopatcong Overlook, Marksboro, Mountain Lake, Mount Hermon, New Village, Panther Valley (formed from part of deleted Allamuchy-Panther Valley CDP), Port Colden, Port Murray, Silver Lake, Stewartsville, Upper Pohatcong, Upper Stewartsville, and Vienna (formed from part of deleted Great Meadows-Vienna and additional area)" As of the

2020 United States census The United States census of 2020 was the twenty-fourth decennial United States census. Census Day, the reference day used for the census, was April 1, 2020. Other than a pilot study during the 2000 census, this was the first U.S. census to of ...

, the CDP's population was 494 a decrease of 81 (−14.1%) from the 575 recorded at the 2010 census.DP-1 - Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data for Mountain Lake CDP, New Jersey

. Accessed June 3, 2013.

Geography

According to the

, the CDP had a total area of 1.305 square miles (3.381 km²), including 1.130 square miles (2.927 km²) of land and 0.175 square miles (0.453 km²) of water (13.41%).

Demographics

2010 census

The

2010 United States census The United States census of 2010 was the twenty-third United States national census. National Census Day, the reference day used for the census, was April 1, 2010. The census was taken via mail-in citizen self-reporting, with enumerators servi ...

counted 575 people, 261 households, and 154 families in the CDP. The

population density Population density (in agriculture: Stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical ...

was . There were 315 housing units at an average density of . The racial makeup was 95.65% (550)

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White o ...

, 0.52% (3) Black or African American, 0.17% (1) Native American, 1.39% (8) Asian, 0.00% (0)

Pacific Islander Pacific Islanders, Pasifika, Pasefika, or rarely Pacificers are the peoples of the Pacific Islands. As an ethnic/racial term, it is used to describe the original peoples—inhabitants and diasporas—of any of the three major subregions of O ...

, 0.87% (5) from

other races Other often refers to: * Other (philosophy), a concept in psychology and philosophy Other or The Other may also refer to: Film and television * ''The Other'' (1913 film), a German silent film directed by Max Mack * ''The Other'' (1930 film), a ...

, and 1.39% (8) from two or more races.

Hispanic or Latino ''Hispanic'' and '' Latino'' are ethnonyms used to refer collectively to the inhabitants of the United States who are of Spanish or Latin American ancestry (). While the terms are sometimes used interchangeably, for example, by the United States ...

of any race were 2.43% (14) of the population. Of the 261 households, 23.0% had children under the age of 18; 44.8% were married couples living together; 8.8% had a female householder with no husband present and 41.0% were non-families. Of all households, 32.2% were made up of individuals and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.84. 17.7% of the population were under the age of 18, 9.0% from 18 to 24, 22.1% from 25 to 44, 38.1% from 45 to 64, and 13.0% who were 65 years of age or older. The median age was 45.3 years. For every 100 females, the population had 99.7 males. For every 100 females ages 18 and older there were 98.7 males.

References

{{Warren County, New Jersey Census-designated places in Warren County, New Jersey Census-designated places in New Jersey Liberty Township, New Jersey