The historical population data for ZIP code 60601 in Chicago, Illinois, reveals a rapidly growing and densifying urban core. With a population density of 41,832.35 people per square mile in 2022, this area falls squarely into the hyper-urban classification, characterized by skyscrapers, extensive public transit systems, and highly concentrated services.

Over the past decade, the population in this ZIP code has more than doubled, from 6,377 in 2010 to 14,223 in 2022. This significant growth has been accompanied by a corresponding increase in population density, which has risen from 18,755.88 people per square mile in 2010 to its current level. This trend suggests a strong demand for urban living and a focus on vertical development to accommodate the growing population within the limited 0.34 square mile area.

The estimated number of housing units in 2022, based on the national average household size of 2.61, is approximately 5,449. Given the hyper-urban nature of the area, these housing units are likely to be predominantly high-rise apartments and condominiums, offering compact living spaces often less than 500 square feet.