Based on the historical population data provided for ZIP code 07422, which corresponds to Highland Lakes in New Jersey, the area has experienced fluctuations in population and population density over the past decade. The population reached a peak of 4,149 in 2021 before declining to 3,918 in 2022. The population density in 2022 was 288.3 people per square mile, spanning an area of 13.59 square miles.

Given the population density of 288.3 people per square mile in 2022, the area can be classified as rural. Rural areas typically feature larger living spaces, ranging from 1 to 5 acres per household, with a lower density of infrastructure and public services compared to more urbanized areas. The lifestyle in rural areas is often community-oriented, centered around local schools and small businesses, with activities such as hobby farming, horse ownership, and significant outdoor activities.

The estimated number of housing units corresponding to the 2022 population, based on the national average household size of 2.61, is approximately 1,501. This suggests a relatively low-density residential development pattern consistent with a rural lifestyle.