According to the historical population data for ZIP code 91320 in Thousand Oaks, California, the area has experienced a slight decline in population and population density over the past few years. In 2022, the population was 43,549, with a corresponding population density of 1,093.37 people per square mile. This population density falls within the suburban classification, which typically ranges from 1,000 to 3,000 people per square mile.

Suburban areas are characterized by a mix of residential types and denser developments compared to rural areas. The lifestyle in suburban areas is often family-oriented, with good access to schools, parks, and shopping centers. These areas promote an active community life through sports leagues, homeowners associations, and local festivals.

Given the national average household size of 2.61, the estimated number of housing units corresponding to the 2022 population in ZIP code 91320 is approximately 16,685. This suggests that the area likely features a variety of housing options, including single-family homes, townhouses, and apartment complexes, to accommodate the population.