Based on the historical population data provided for ZIP code 91325 in Los Angeles, California, the area can be classified as urban, with population densities consistently exceeding 6,500 people per square mile from 2010 to 2022. The population reached its peak in 2020 at 36,605 residents, translating to a density of 7,547.42 people per square mile. As of 2022, the population stood at 34,879, with a corresponding density of 7,191.55 people per square mile.

The urban lifestyle in this ZIP code is characterized by multi-story residential buildings, commercial establishments, and well-developed infrastructure and services. Living spaces are likely to be smaller compared to suburban or rural areas, typically ranging from 500 to 1,000 square feet. Residents in this area likely enjoy a fast-paced, diverse, and culturally rich lifestyle, with access to extensive public transportation, restaurants, theaters, and museums.

The estimated number of housing units corresponding to the 2022 population is 13,363, calculated using the national average household size of 2.61. This suggests a relatively high concentration of housing units within the 4.85 square mile area of the ZIP code, further supporting the urban classification.