San Diego County, CA
3,276,208 residents · 4,210 sq mi · 778.1/sq mi · 4% rural
About San Diego County
San Diego County, officially the County of San Diego, is located in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census, the population was 3,298,634; it is the second-most populous county in California and the fifth-most populous in the United States. Its county seat is San Diego, the second-most populous city in California and the eighth-most populous in the United States. It is the southwesternmost county in the 48 contiguous United States, and is a border county. It is home to 18 Indian reservations, the most of any county in the United States. There are 16 military installations of the U.S. Navy, Marine Corps, and Coast Guard in the county.
Prepper Assessment
Living in this area offers a diverse climate with an annual mean temperature of 63.3°F and an arid environment, receiving only 13 inches of rain per year. The growing season benefits from USDA zone 10a, which supports a variety of crops. However, the terrain can be challenging due to its mountainous regions and proximity to the coast, potentially limiting water access for self-sufficient living. The high population density of 778.1 people per square mile may also impact the availability of land for homesteading.
This county faces significant natural hazards, with FEMA ranking wildfire, earthquake, riverine flood, landslide, and heat wave risks all at 100, indicating a high likelihood of occurrence. Additionally, the high population density can contribute to competition for resources, and the cost of living is notable, with a median home price of $725,200 and a median household income of $96,974. This financial strain may deter some potential homesteaders seeking affordable land.
This area may be suitable for those who thrive in a vibrant, urban environment and can manage the risks associated with natural hazards. It is less ideal for individuals seeking a remote, self-sufficient lifestyle, as the high density and cost of living could be significant barriers. Homesteaders looking for hidden gems may find opportunities in agricultural niches, but they must be prepared for the challenges posed by the region's climate and disaster risks.