Camp Dennison

Camp Dennison is an unincorporated community just outside Indian Hill in southern Symmes Township, Hamilton County, Ohio, United States.  Although it is unincorporated, it has a post office with a zip code of 45111.  During the American Civil War, Camp Dennison served as a military recruiting and training post for the United States Army.  It is named for William Dennison, the 24th Governor of Ohio and U.S. Postmaster General under President Abraham Lincoln.