California has 58 counties, varying in size from only 45 square miles to 20,000 square miles. Which of these cities is located in the largest county by area?

The largest county in California is San Bernardino at 20,000 square miles. It extends all the way from just east of L.A. to the border with Nevada, and includes Riverside, Ontario, and even Bear Lake. By comparison, the smallest county is only 45 square miles, and that's San Francisco County.

Asked by Tom Cohen · Last updated 5 years ago · 1.4K views