The ZIP code 91106 in Pasadena, California, has experienced a moderate population growth over the past decade, with the population increasing from 22,650 in 2010 to 23,614 in 2022. The population density has also increased during this period, from 7,730.38 people per square mile in 2010 to 8,059.39 people per square mile in 2022. These population density figures suggest that the area falls within the urban classification, characterized by multi-story residential buildings, commercial buildings, and high levels of infrastructure and services.

The urban lifestyle in ZIP code 91106 is likely fast-paced, diverse, and culturally rich, suitable for individuals and families who enjoy vibrant city life with extensive public transport, restaurants, theaters, and museums. The estimated number of housing units corresponding to the 2022 population is 9,047, indicating a mix of residential types and denser developments compared to suburban or rural areas.

The consistent population growth and relatively stable population density over the years suggest that the area has maintained its urban character and has not undergone significant changes in terms of lifestyle or urban development. The population density has remained within the urban range, implying that the area has continued to support the infrastructure, services, and amenities associated with an urban lifestyle.