The historical population data for the 07004 ZIP code in North Caldwell, New Jersey, reveals a consistent trend of population growth and increasing population density over the past decade. With a land area of 10.44 square miles, the ZIP code had a population of 7,857 and a population density of 752.59 people per square mile in 2022.

Analyzing the population density, the area falls within the Suburban Rural classification, which typically features population densities between 500 and 1,000 people per square mile. This classification suggests a blend of rural openness and suburban amenities, with housing developments that are more clustered compared to traditional rural areas. The estimated 3,010 housing units in the ZIP code, based on the 2022 population and the national average household size of 2.61, further supports this classification.

The lifestyle in Suburban Rural areas is often family-oriented, offering a balance between the quieter neighborhoods close to nature and access to suburban conveniences such as community centers and parks. Residents in this ZIP code likely enjoy larger living spaces, with typical lot sizes around 1 acre, providing ample space for outdoor activities and a sense of privacy.