Tampico is an unincorporated community in Darke County, in the U.S. state of Ohio.
Tampico was laid out in 1850. A post office called Tampico was established in 1850, and remained in operation until 1876. Tampico was originally built up exclusively by African Americans.
Coordinates: 40°02′55″N 84°47′35″W / 40.04861°N 84.79306°W