Rio Grande is a village in Gallia County, Ohio, home to about 739 people across 1.4 square miles. Its ZIP code is 45674, and parts of 45614 are in Rio Grande too.
All in Rio Grande
Part is in Rio Grande, part in Bidwell
Each card is that ZIP code’s whole market, including any part outside Rio Grande. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Rio Grande’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | John Glenn Columbus International Airport (CMH)82 miles away |
|---|---|
| Closer regional airport | Tri-State Airport / Milton J. Ferguson Field (HTS)38 miles away |
| Nearest city of 250,000+ | Columbus, OH83 miles away |
| Nearest city of 1 million+ | Chicago, IL346 miles away |
Straight-line distances from the center of Rio Grande; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Rio Grande had 724 residents in the 2020 census, down 21% since 2000.
It’s the 764th largest of 1,264 towns in Ohio by population.
Gallia County grew from 27,918 residents in 1900 to 29,220 in 2020.
Gallia County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 23°F. About 44.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Gallipolis, OH weather station (11 miles away).
9,393 jobs at 572 businesses in Gallia County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Rio Grande.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Physical and occupational therapists | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Gallipolis City, Gallia County Local, Gallia-Jackson-Vinton. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Rio Grande Elementary SchoolRio Grande | Pre-K–5 | 235 | Public | 1.7 mi |
| Southern Ohio Digital AcademyRio Grande | 4–12 | 64 | Public | 5.0 mi |
| Buckeye Hills Career CenterRio Grande | 7–12 | 564 | Career and Technical | 1.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Bidwell.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.