The historical population data for ZIP code 07421, which corresponds to Hewitt in New Jersey, suggests that the area has experienced a gradual decline in population over the past decade. The population peaked in 2018 at 8,899 residents but has since decreased to 8,002 in 2022. Despite this decline, the population density has remained relatively stable, with the 2022 population density recorded at 317.67 people per square mile.

Given the population density of 317.67 people per square mile in 2022, ZIP code 07421 can be classified as a rural area. 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 urbanized areas.

The lifestyle in rural areas like ZIP code 07421 is often community-oriented, centered around local schools and small businesses. Residents may engage in activities such as hobby farming, horse ownership, and outdoor recreational pursuits, taking advantage of the natural environment and open spaces. The estimated 3,066 housing units corresponding to the 2022 population, based on the national average household size of 2.61, further support the rural character of the area, with ample space for larger properties and a lower population density.