Highland Lakes (mistakenly referred to as Highland Lake by the United States Census Bureau since the 1990 Census) is an unincorporated community and census-designated place (CDP) located within Vernon Township, in Sussex County, New Jersey, United States. As of the 2010 United States Census, the CDP's population was 4,933. Highland Lakes has its own Post Office with the ZIP code 07422. Geography According to the United States Census Bureau, the CDP had a total area of 6.099 square miles (15.797 km2), including 5.071 square miles (13.134 km2) of land and 1.028 square miles (2.663 km2) of water (16.86%). Demographics Census 2010 Census 2000 As of the 2000 United States Census there were 5,051 people, 1,794 households, and 1,375 families residing in the CDP. The population density was 386.9/km2 (1,001.8/mi2). There were 2,283 housing units at an average density of 174.9/km2 (452.8/mi2). The racial makeup of the CDP was 94.88% White, 2.09% African American, 0.08% Native American, 0.48% Asian, 1.23% from other races, and 1.05% from two or more races. Hispanic or Latino of any race were 5.53% of the population. There were 1,794 households, out of which 42.8% had children under the age of 18 living with them, 65.7% were married couples living together, 7.9% had a female householder with no husband present, and 23.3% were non-families. 18.1% of all households were made up of individuals, and 5.0% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.24. In the CDP the population was spread out, with 29.4% under the age of 18, 6.2% from 18 to 24, 34.3% from 25 to 44, 22.0% from 45 to 64, and 8.1% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 99.9 males. For every 100 females age 18 and over, there were 97.9 males. The median income for a household in the CDP was $77,968, and the median income for a family was $87,313. Males had a median income of $58,395 versus $39,968 for females. The per capita income for the CDP was $27,445. About 2.6% of families and 3.5% of the population were below the poverty line, including 4.4% of those under age 18 and 3.3% of those age 65 or over. Location and surroundings Located in northern New Jersey's Sussex County, Highland Lakes