Hooven is a census-designated place in southeastern Whitewater Township, Hamilton County, Ohio, United States. The population was 534 at the 2010 census., with the ZIP code of 45033.Hooven is located at 39°10′41″N 84°45′33″W / 39.17806°N 84.75917°W / 39.17806; -84.75917, in the valley of the Great Miami River, 18 miles northwest of downtown Cincinnati. State Route 128 is the main road through the community, running northeast to Miamitown. U.S. Route 50 forms the southern edge of the CDP, and Interstate 275 forms the northwestern edge, with access to Hooven via Exit 21. The Great Miami River is the eastern edge of the community.According to the United States Census Bureau, the CDP has a total area of 2.6 square miles, of which 2.5 square miles is land and 0.077 square miles, or 2.96%, is water.