About 4.9 million children were attending preschool or nursery school in the United States in 2017, the U.S. Census Bureau estimates.
The Bureau's 2017 American Community Survey estimates that preschool enrollment ranged from 8,686 in Wyoming to 599,565 in California.
Here are the 10 states with the greatest numbers of children enrolled in nursery school or preschool in 2017.