New Haven, Hamilton County, Ohio
New Haven is a census-designated place in Crosby Township, Hamilton County, Ohio, United States. The population was 583 at the 2010 census.History
New Haven was platted as a village by Joab Comstock in 1815. In the 19th century the village had a post office, but was known as "Preston". This was necessary since there was already a New Haven in Huron County, Ohio, and the name was assigned by the first postmaster, Alexander Preston Cavender.Geography
New Haven is located at in western Crosby Township, northwest of downtown Cincinnati and northeast of Harrison.
According to the United States Census Bureau, the CDP has a total area of, all land.