ZIP code 90743 in Seal Beach, California, with a land area of 0.05 square miles, has experienced fluctuations in population and population density over the past decade. The population peaked at 385 in 2012 and has since declined to 253 in 2022. The population density has followed a similar trend, reaching a high of 7,700 people per square mile in 2012 and falling to 5,060 people per square mile in 2022.

Despite the population decline, the area remains highly urban, with a population density consistently above 5,000 people per square mile since 2010. This level of density suggests a lifestyle characterized by multi-story residential buildings, commercial establishments, and well-developed infrastructure and services. Residents likely live in smaller living spaces, ranging from 500 to 1,000 square feet, typical of urban areas.

The urban lifestyle in this ZIP code is likely fast-paced and diverse, with access to various cultural amenities, public transportation, restaurants, theaters, and museums. The estimated 96 housing units corresponding to the 2022 population, based on the national average household size of 2.61, further indicate a dense urban environment with a concentration of living spaces.