Based on the historical population data for ZIP code 94028, which corresponds to Portola Valley in California, the area can be classified as rural, with population densities consistently falling within the range of 50 to 500 people per square mile from 2010 to 2022. In 2022, the population density was 423.46 people per square mile, further confirming the rural nature of the area.

The rural lifestyle in Portola Valley is likely characterized by a strong sense of community, with local schools and small businesses serving as focal points for social interaction and daily life. Residents may enjoy larger living spaces, typically ranging from 1 to 5 acres, which allows for activities such as hobby farming, horse ownership, and ample outdoor recreation. The lower population density and limited infrastructure suggest that the area offers a more relaxed and nature-oriented way of life compared to more urbanized areas.

The estimated number of housing units corresponding to the 2022 population is approximately 2,323, based on the national average household size of 2.61 people. This relatively low number of housing units spread across the 14.32 square miles of the ZIP code area further supports the notion of a rural lifestyle with larger lot sizes and more open spaces between households.