According to the historical population data for the 60091 ZIP code in Wilmette, Illinois, the area has experienced steady population growth over the past decade, with the population increasing from 26,688 in 2010 to 27,477 in 2022. The population density has also increased correspondingly, from 4,878.98 people per square mile in 2010 to 5,023.22 people per square mile in 2022. This population density classifies the area as urban, indicating a high level of urban development and a lifestyle characterized by multi-story residential buildings, commercial buildings, and well-developed infrastructure and services.

Given the ZIP code's size of 5.47 square miles and the 2022 population of 27,477, the estimated number of housing units in the area is 10,527, assuming the national average household size of 2.61 persons per household. This suggests a relatively high housing density, which is typical of urban areas.

The urban lifestyle in the 60091 ZIP code is likely to be fast-paced, diverse, and culturally rich, suitable for individuals and families who enjoy the vibrancy of city life. Residents would have access to extensive public transportation, a wide variety of restaurants, theaters, museums, and other amenities. The living spaces in this urban setting are likely to be smaller compared to suburban or rural areas, ranging from 500 to 1,000 square feet.