The ZIP code 07204, corresponding to Roselle Park in New Jersey, has consistently exhibited population densities exceeding 10,000 people per square mile over the past decade, placing it firmly in the Dense Urban classification. The population has steadily increased from 13,193 in 2010 to 13,994 in 2022, reflecting a growing demand for housing and urban amenities in the area.

With a current population density of 11,377.24 people per square mile, Roselle Park is characterized by high-rise residential buildings, concentrated commercial districts, and well-developed infrastructure. The limited land area of 1.23 square miles necessitates efficient utilization of space, resulting in smaller living areas typically associated with dense urban environments.

The lifestyle in Roselle Park is highly urbanized, focusing on vertical living and premium amenities. Residents likely prioritize proximity to major business districts and minimal commute times, taking advantage of the area's extensive public transportation network. The estimated 5,362 housing units in 2022, based on the national average household size of 2.61, suggest a mix of high-rise apartments, condominiums, and multi-family dwellings to accommodate the growing population within the limited land area.