There are 168 Delis in San Mateo County, California, serving a population of 763,450 people in an area of 449 square miles. There is 1 Deli per 4,544 people, and 1 Deli per 2 square miles.
In California, San Mateo County is ranked 31st of 58 counties in Delis per capita, and 5th of 58 counties in Delis per square mile.