There are 251 Donut Shops in San Diego County, California, serving a population of 3,283,665 people in an area of 4,206 square miles. There is 1 Donut Shop per 13,082 people, and 1 Donut Shop per 16 square miles.
In California, San Diego County is ranked 31st of 58 counties in Donut Shops per capita, and 9th of 58 counties in Donut Shops per square mile.