The historical population data for the ZIP code 94904, which corresponds to Kentfield in California, shows a steady increase in population and population density from 2010 to 2022. The area spans 4.54 square miles and has a population of 13,476 as of 2022, resulting in a population density of 2,968.28 people per square mile.

Given the population density, this ZIP code falls within the suburban classification, which typically features a mix of residential types and denser developments compared to rural areas. Suburban areas are characterized by lot sizes ranging from 0.25 to 1 acre and promote a family-oriented lifestyle with good access to schools, parks, and shopping centers. The community life in suburban areas is often active, with residents participating in sports leagues, homeowners associations, and local festivals.

The consistent population growth in this ZIP code over the past decade suggests that the area has been experiencing steady urban development and is attracting new residents. The estimated number of housing units corresponding to the 2022 population, based on the national average household size of 2.61, is approximately 5,163. This indicates a substantial housing stock in the area to accommodate the growing population.