The historical population data for the ZIP code 95603, which encompasses Auburn in California, reveals a consistently growing population over the past decade. With a land area of 39.04 square miles, the population increased from 26,406 in 2010 to 28,491 in 2022, resulting in a population density of 729.79 people per square mile as of 2022.

This population density suggests that the area falls within the suburban rural classification, characterized by clustered housing developments with typical lot sizes around 1 acre. The lifestyle in such areas often blends rural openness with suburban amenities, making it an attractive choice for families seeking quieter neighborhoods close to nature while still having access to convenient facilities like community centers and parks.

The steady population growth in the ZIP code area indicates ongoing urban development activities to accommodate the increasing number of residents. Assuming the national average household size of 2.61, the estimated housing units corresponding to the 2022 population would be approximately 10,916. This implies a demand for new residential construction and the expansion of infrastructure and services to support the growing community.