Based on the historical population data provided for ZIP code 94131 in San Francisco, California, it is evident that this area falls into the Dense Urban classification. The population density has consistently remained above 13,000 people per square mile since 2010, reaching 15,041.67 people per square mile in 2022. This high population density indicates that the area is characterized by high-rise residential buildings, concentrated commercial districts, and advanced infrastructure.

The lifestyle in this Dense Urban area is highly urbanized, focusing on vertical living and premium amenities. Residents likely prioritize proximity to major business districts and enjoy a minimal commute. The estimated housing units corresponding to the 2022 population is 11,756.70, suggesting that living spaces are typically small, often less than 500 square feet, which is common in densely populated urban cores.

Over the past decade, the population in ZIP code 94131 has steadily increased from 28,317 in 2010 to 30,685 in 2022, representing an 8.36 percent growth. This consistent population growth indicates that the area remains attractive to residents, likely due to its vibrant city life, extensive public transport, and diverse cultural offerings, such as restaurants, theaters, and museums.