Mountain Lake, NJ Demographics

A map of Mountain Lake's Population by Race

Mountain Lake, New Jersey has an estimated population of 574, a large increase from the 494 recorded in the 2020 Census. The population is 85.9% White, 12.4% Hispanic, 1.0% Multiracial, 0.7% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Mountain Lake, with one dot drawn for each person counted by the Census, color-coded by race.

Mountain Lake has become more racially diverse since the 2020 Census. It is considerably less diverse than New Jersey overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Mountain Lake, that probability was 19.8% in 2020 and 24.7% in the most recent ACS estimates.

Mountain Lake is ranked the 604th most populous place in New Jersey, out of 700 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Mountain Lake was ranked the 610th most populous place in the 2020 Census.

Mountain Lake's White Population

493 residents of Mountain Lake, or 85.9% of the population, identify as White. The share of White residents in Mountain Lake is significantly higher than in New Jersey overall, where 50.9% of the population is White. Mountain Lake ranks 84th statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Mountain Lake's White population has grown by an estimated 11.8%. White residents' share of Mountain Lake's population has decreased from 89.3% to 85.9%.

Mountain Lake is more White than neighboring Buttzville (75.3% White), Hope (65.9% White), Oxford (80.5% White), and Mount Hermon (83.6% White). Mountain Lake is less White than neighboring Bridgeville (100% White).

Mountain Lake's Black Population

0 residents of Mountain Lake, or 0.0% of the population, identify as Black. The share of Black residents in Mountain Lake is considerably lower than in New Jersey overall, where 12.2% of the population is Black. Mountain Lake ranks 603rd statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Mountain Lake's Black population has declined by an estimated 100.0%. Black residents' share of Mountain Lake's population has decreased from 0.8% to 0.0%.

Mountain Lake is less Black than neighboring Hope (4.3% Black), Oxford (2.2% Black), and Mount Hermon (11.6% Black).

Mountain Lake's Asian Population

4 residents of Mountain Lake, or 0.7% of the population, identify as Asian. The share of Asian residents in Mountain Lake is lower than in New Jersey overall, where 10% of the population is Asian. Mountain Lake ranks 627th statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Mountain Lake's Asian population has grown by an estimated 33.3%. Asian residents' share of Mountain Lake's population has remained roughly unchanged at 0.7%.

Mountain Lake is more Asian than neighboring Buttzville (0% Asian), Bridgeville (0% Asian), and Mount Hermon (0% Asian). Mountain Lake is less Asian than neighboring Hope (20.5% Asian), and Oxford (0.9% Asian).

Mountain Lake's Hispanic Population

71 residents of Mountain Lake, or 12.4% of the population, identify as Hispanic. The share of Hispanic residents in Mountain Lake is considerably lower than in New Jersey overall, where 22.5% of the population is Hispanic. Mountain Lake ranks 455th statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Mountain Lake's Hispanic population has grown by an estimated 102.9%. Hispanic residents' share of Mountain Lake's population has increased from 7.1% to 12.4%.

Mountain Lake is more Hispanic than neighboring Bridgeville (0% Hispanic), Hope (9.2% Hispanic), and Mount Hermon (3.9% Hispanic). Mountain Lake is less Hispanic than neighboring Buttzville (23.7% Hispanic), and Oxford (15.2% Hispanic).

Mountain Lake's Native American/Other Population

0 residents of Mountain Lake, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mountain Lake is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Mountain Lake ranks 317th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Mountain Lake's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Mountain Lake's population has decreased from 0.6% to 0.0%.

Mountain Lake is less Native American/Other than neighboring Buttzville (1% Native American/Other).

Mountain Lake's Multiracial Population

6 residents of Mountain Lake, or 1.0% of the population, identify as Multiracial. The share of Multiracial residents in Mountain Lake is slightly lower than in New Jersey overall, where 3.5% of the population is Multiracial. Mountain Lake ranks 635th statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Mountain Lake's Multiracial population has declined by an estimated 25.0%. Multiracial residents' share of Mountain Lake's population has decreased from 1.6% to 1.0%.

Mountain Lake is more Multiracial than neighboring Buttzville (0% Multiracial), Bridgeville (0% Multiracial), and Hope (0% Multiracial). Mountain Lake is less Multiracial than neighboring Oxford (1.2% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.