New Hampshire is a census-designated place in central Goshen Township, Auglaize County, Ohio, United States. As of the 2010 census, it had a population of 174.
Located between Wapakoneta and Lakeview at the intersection of U.S. Route 33 with State Routes 196 and 385, the village maintains a small post office (Zip Code: 45870) and a country store.
New Hampshire was laid out in 1836. The community was named after the state of New Hampshire. A post office called New Hampshire has been in operation since 1855.
The community is served by the Waynesfield-Goshen Local School District.