The restaurant chain began as a single truck stop diner in Rio Grande.

[5] Despite Gallia County being named for its original French settlers,[6] Welsh immigrants began to arrive to the area in 1818, and during the 1830s and 1840s, more than 3,000 more arrived from the parishes of Pennant, Tregaron, Llangeitho, Trefilan, Llangwyryfon, and Llanddeiniolen in Ceredigion (then known as Cardiganshire).

The original settlers are referred to as the "1818 Welsh" and were responsible for writing home and convincing others to come to Gallia and Jackson counties.

[9] Rio Grande is located very close to Raccoon Creek, a tributary of the Ohio River.

27.8% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older.

26.7% of all households were made up of individuals, and 6.0% had someone living alone who was 65 years of age or older.

This event, held on an October weekend, attracts several thousand visitors.

Public education in the village of Rio Grande is provided by the Gallipolis City School District.

The University of Rio Grande is a private not-for-profit center of tertiary education.