Pasco County is located on the west central coast of the U.S. state of Florida. According to the 2020 census, the population was 561,691. Its county seat is Dade City, and its largest city is Zephyrhills. The county is named after Samuel Pasco.

Dade City is a city in and the county seat of Pasco County, Florida, United States. It is located in the Tampa Bay Area, north east of Tampa and south west of Orlando. The population was 7,275 as of the 2020 census.