ZIP Code 45674
About Rio Grande
Rio Grande is a village in Gallia County, Ohio, United States. The population was 724 at the 2020 census. It is part of the rural Point Pleasant micropolitan area. Although the town is named after the river in the southern United States, its name is pronounced "Rye-O Grand" rather than the traditional Spanish pronunciation.
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Area Profile
US Census (ACS 5-year · Gazetteer)
681
population
$28,594
median household income
582
people / sq mi
$183,900
median home value
$473
median gross rent
20.9
median age
225
housing units
179
households
1.2
land area (sq mi)