According to the population data for the ZIP code 07821, which corresponds to Hopatcong in New Jersey, the area has experienced fluctuations in population and population density over the past decade. The population peaked in 2011 at 11,750 residents and has since declined to 11,675 in 2022. The population density has followed a similar trend, with the highest density recorded in 2011 at 245.82 people per square mile and the most recent density in 2022 at 244.25 people per square mile.

Given the ZIP code's size of 47.8 square miles and the 2022 population density of 244.25 people per square mile, the area can be classified as rural. Rural areas typically have population densities between 50 and 500 people per square mile and are characterized by larger living spaces, ranging from 1 to 5 acres per household, fewer public services, and lower infrastructure density compared to more urban areas.

The lifestyle in this rural setting is likely to be community-oriented, often centered around local schools and small businesses. Residents may engage in activities such as hobby farming, horse ownership, and outdoor recreational pursuits due to the natural environment and available land. The estimated number of housing units corresponding to the 2022 population is 4,473, based on the national average household size of 2.61 people per household.