River Ridge is an unincorporated community and census-designated place in Pasco County, Florida, United States. As of the 2020 census, River Ridge had a population of 5,107.
According to the U.S. Census Bureau, the community has an area of , all of it land.
It is east of New Port Richey, Florida and north east of Jay B. Starkey Wilderness Park. Located South of Florida State Road 52 inland from Hudson, it is within the TampaâÂÂSt. PetersburgâÂÂClearwater Metropolitan Statistical Area (MSA) and the Southwest Florida Water Management District.