The ZIP code 90720, corresponding to Los Alamitos in California, has experienced steady population growth over the past decade, with the population increasing from 21,393 in 2010 to 23,303 in 2022. The population density has also increased from 3,478.54 people per square mile in 2010 to 3,789.11 people per square mile in 2022. Given the ZIP code's size of 6.15 square miles, the estimated housing units corresponding to the 2022 population is 8,928, assuming the national average household size of 2.61.

Based on the population density, Los Alamitos can be classified as an urban area. The lifestyle in this area is likely to be fast-paced, diverse, and culturally rich, suitable for individuals and families who enjoy vibrant city life with extensive public transport, restaurants, theaters, and museums. The area is likely to have a mix of residential types, including multi-story residential buildings and commercial buildings, with high levels of infrastructure and services.

The steady population growth and increasing population density suggest that Los Alamitos has been experiencing urban development and densification over the past decade. This development may have been accompanied by the construction of new residential and commercial buildings, as well as improvements to infrastructure and services to accommodate the growing population.