Rio Grande ZIP code, Ohio
The ZIP code for Rio Grande, OH is 45674, and its area code is 740.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 2 more
- Population
- 739
- Area code
- 740
- County
- Gallia County
- State
- Ohio
Mail addressed to Rio Grande uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
Rio Grande in numbers
About 739 people live in Rio Grande, in 250 households. The median household income is $24,524 a year, 66% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $186,800 (13% below the Ohio median), and median gross rent is $473 a month. The median age is 21.7; 17.0% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 16 minutes.
| Population | 739 |
|---|---|
| Households | 250 |
| Median age | 21.7 |
| Median household income | $24,524 |
| Median home value | $186,800 |
| Median gross rent | $473 |
| Bachelor's degree or higher | 17.0% |
| Mean commute | 15.6 min |
| Population density | 537 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Rio Grande village. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Rio Grande
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
45674 | Rio Grande , OH | Standard | 618 | $20,865 | $185,700 |
Other ZIP codes overlapping Rio Grande
These ZIP codes cover part of Rio Grande but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
45614 | Bidwell , OH | Standard | 5,450 | $60,000 | $162,300 |
45685 | Thurman , OH | Standard | 1,050 | $61,700 | $115,000 |
Map of Rio Grande ZIP codes
The ZIP codes of Rio Grande, OH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Rio Grande
The nearest larger towns are Bidwell (904 people, 5.8 mi), Oak Hill (1,545 people, 10 mi) and Gallipolis (3,130 people, 11 mi).
| Town | Population | Distance |
|---|---|---|
| Gallipolis | 3,130 | 11.0 mi |
| Point Pleasant, WV | 3,961 | 13.5 mi |
| Jackson | 6,231 | 18.2 mi |
| Wellston | 5,452 | 18.5 mi |
| Wheelersburg | 6,313 | 26.9 mi |
| Ironton | 10,768 | 28.9 mi |
More nearby: every ZIP code in Gallia County · Ohio ZIP codes
Cite this page
zipcodes.pro. “Rio Grande, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/rio-grande
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