Spring Hill is a census-designated place (CDP) in Hernando County, Florida, United States. The population was 113,568 at the 2020 census, up from 98,621 at the 2010 census. Spring Hill belongs to Florida's Nature Coast region and is in the Tampa-St. Petersburg-Clearwater metro area. It is east of Hernando Beach, southwest of Brooksville, and north of Tampa.

Hernando County is a county located on the west central coast of the U.S. state of Florida. As of the 2020 census, the population was 194,515. Its county seat is Brooksville, and its largest community is Spring Hill.