There are 636 Periodical Publishers in California, serving a population of 38,982,847 people in an area of 155,747 square miles. There is 1 Periodical Publisher per 61,293 people, and 1 Periodical Publisher per 244 square miles.
The state of California is ranked 16th in Periodical Publishers per capita, and 10th in Periodical Publishers per square mile.