The historical population data for the ZIP code 60043, encompassing Kenilworth in Illinois, reveals a densely populated area with a consistently high population density over the years. In 2022, the population density reached 4,065 people per square mile, placing this area firmly in the Urban classification.

Urban areas, characterized by population densities between 3,000 and 10,000 people per square mile, typically feature multi-story residential buildings, commercial buildings, and high levels of infrastructure and services. The lifestyle in such areas is fast-paced, diverse, and culturally rich, making it well-suited for individuals and families who enjoy vibrant city life with extensive public transport, restaurants, theaters, and museums.

The population of Kenilworth has remained relatively stable over the past decade, with minor fluctuations. In 2010, the population was 2,433, and it has since grown to 2,439 in 2022, indicating a modest growth rate of 0.25 percent over the 12-year period. This stability suggests that the area has reached a mature stage of urban development, with a well-established infrastructure and community.