The ZIP code area of 21250 in Catonsville, Maryland, has experienced notable population fluctuations over the past decade, with a general trend towards population growth in recent years. The population density has consistently remained within the urban classification range, exceeding 3,000 people per square mile throughout the data period.

In 2022, the population of the ZIP code area stood at 3,290, with a corresponding population density of 4,910.45 people per square mile. This high population density indicates an urban lifestyle characterized by multi-story residential buildings, commercial buildings, and well-developed infrastructure and services. Residents in this area likely experience a fast-paced, diverse, and culturally rich lifestyle, with access to extensive public transport, restaurants, theaters, and museums.

The estimated number of housing units corresponding to the 2022 population is 1,260, based on the national average household size of 2.61. This suggests a mix of residential types, potentially including apartments, condominiums, and townhouses, to accommodate the population within the limited land area of 0.67 square miles.