Based on the historical population data for ZIP code 91709 in Chino Hills, California, the area has experienced steady population growth over the past decade. The population increased from 72,090 in 2010 to 76,458 in 2022, with a corresponding increase in population density from 1,622.55 people per square mile in 2010 to 1,720.86 people per square mile in 2022.

Given the ZIP code's size of 44.43 square miles and the 2022 population density of 1,720.86 people per square mile, the area can be classified as suburban. Suburban areas typically feature a mix of residential types, including single-family homes and denser developments, with lot sizes varying from 0.25 to 1 acre. The estimated number of housing units corresponding to the 2022 population is 29,294, based on the national average household size of 2.61 people per household.

The lifestyle in this suburban area is likely to be family-oriented, with good access to schools, parks, and shopping centers. The community life may be active, with residents participating in sports leagues, homeowners associations, and local festivals. The area strikes a balance between residential neighborhoods and urban amenities, providing a comfortable living environment for families and individuals seeking a suburban lifestyle.