Based on the historical population data provided for ZIP code 91775 (East San Gabriel, California), the area has consistently maintained a high population density over the past decade. With a population of 25,228 in 2022 and a land area of 3.17 square miles, the population density stands at 7,958.36 people per square mile. This population density falls within the "Urban" classification range, which is characterized by densities between 3,000 and 10,000 people per square mile.

The urban lifestyle in ZIP code 91775 likely features multi-story residential buildings, commercial buildings, and a well-developed infrastructure and service network. Residents in this area typically live in smaller spaces, ranging from 500 to 1,000 square feet, and enjoy a fast-paced, diverse, and culturally rich lifestyle. The area is well-suited for individuals and families who appreciate the vibrant city life, with access to extensive public transportation, restaurants, theaters, and museums.

The population data shows a relatively stable trend over the years, with minor fluctuations between 2010 and 2022. The population peaked in 2016 at 26,281 and has since experienced a slight decline, reaching 25,228 in 2022. Despite these minor changes, the population density has remained consistently high, indicating that the urban character of the area has been maintained throughout the years.