San Bernardino by size, LA county by population, San Francisco County by population density.
The county of San Bernardino is the largest county in California. It has a population of just over two million in a 20,105 square mile area.
Riverside County, CA's area is 7,303.1 square miles.
Kern County, CA covers 8,161 square miles.
Kern County, CA has an area of 8,161.42 square miles.
Approx 20105 square miles.
Humboldt County, CA is 4,052 sq miles (10,495 km²)
Los Angeles county is a total of 4,084 square miles or 10,570 square kilometers. The county is larger than Rhode Island and Delaware combined.
San Bernardino is 81.68 sq. mi. San Bernardino County is 20,105 sq. mi. [larger than 9 states].
Oakdale, CA is 6.1 (6.094) square miles.
The city of Sonora, CA is 3.078 square miles
El Cajon, CA, population 92,487, is located in California's San Diego county, about 12.6 miles from San Diego and 12.8 miles from Chula Vista. Reference: http://www.idcide.com/citydata/ca/el-cajon.htm
The city Los Angeles city limits spreads over 469.1 square miles.
18 square miles