New Port Richey is a city in Pasco County, Florida, United States. It is a suburban city included in the Tampa-St. Petersburg-Clearwater, Florida Metropolitan Statistical Area. The population was counted at 16,728 in the 2020 census.

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.