San Mateo County, CA
729,181 residents · 449 sq mi · 1,625.4/sq mi · 2% rural
About San Mateo County
San Mateo County, officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 United States census, the population was 764,442. Redwood City is the county seat, the third-most populated city in the county after Daly City and San Mateo.
Prepper Assessment
Living in this area offers a temperate climate with an annual mean of 57.1°F and 28.7 inches of rainfall, making it suitable for year-round growing, particularly in USDA zone 10a. The terrain varies, but much of the county is urbanized, which may limit opportunities for self-sufficient living. Water availability is generally good due to the humid classification, although the presence of drought risks should be considered for long-term sustainability.
The county faces significant natural hazards, particularly earthquakes and landslides, both rated at 100 on the FEMA scale, indicating extreme risk. Riverine flooding and drought also present serious challenges, with respective rankings of 98 and 92. High population density of 1,625.4 people per square mile can lead to increased competition for resources, and the high cost of living, with a median home price of $1,441,300, may be a barrier for many seeking affordable homesteading options.
This area may suit individuals or families with substantial financial resources who prioritize access to urban amenities and infrastructure. Those who thrive here are likely to be prepared for the risks associated with natural disasters and can invest in proper insurance and mitigation strategies. However, for those seeking a more rural, low-cost homesteading lifestyle, the prohibitive housing market and high population density may be significant dealbreakers.