Based on the historical population data provided for ZIP code 94114 in San Francisco, California, the area can be classified as Dense Urban. The population density has consistently remained above 20,000 people per square mile from 2010 to 2022, reaching a peak of 24,597.95 in 2020. This high population density aligns with the characteristics of a Dense Urban area, which typically features high-rise buildings, dense commercial districts, and advanced infrastructure.

The lifestyle in this Dense Urban ZIP code is likely highly urbanized, focusing on vertical living and premium amenities. Residents may prioritize proximity to major business districts and a minimal commute, as Dense Urban areas are often found in the cores of large, developed cities. Living spaces in this area are likely to be small, often less than 500 square feet, which is typical for Dense Urban environments.

The estimated number of housing units corresponding to the 2022 population is 13,375, considering the national average household size of 2.61. This high number of housing units within the 1.46 square mile area further reinforces the Dense Urban classification.