The ZIP code 90755 in Signal Hill, California, has consistently exhibited population densities above 4,900 people per square mile since 2010. In 2022, the population density reached 5,291.89 people per square mile, placing this ZIP code firmly in the urban classification range.

The population of the area has grown steadily over the years, from 10,907 in 2010 to 11,748 in 2022, indicating a stable and growing community. The estimated number of housing units corresponding to the 2022 population, based on the national average household size of 2.61, is approximately 4,501. This suggests a mix of residential types, likely including multi-story buildings and denser developments typical of urban areas.

Given the urban population density, residents of this ZIP code likely experience a fast-paced and culturally diverse lifestyle. The area is expected to have a well-developed infrastructure, with easy access to public transportation, commercial districts, and various services. Living spaces in this urban setting are typically smaller compared to suburban or rural areas, ranging from 500 to 1,000 square feet.