ZIP code · Rio Grande · Ohio · United States
ZIP code 45674 — Rio Grande
ZIP code 45674 serves Rio Grande, Ohio.
- Postal code
- 45674Single source Value from one source, not cross-checked.
- City
- Rio Grande
- County
- Gallia FIPS 39053
- State
- Ohio
- Country
- United States
- Coordinates
- 38.8814, -82.3782 — precision precise (locality)
View on OpenStreetMap - Population
- 681 (ZCTA, ACS 5-year)
- Population density
- 582 / sq mi
- Land area
- 1.2 sq mi (3 km²) (ZCTA, ACS 5-year)
- Median household income
- $28,594
- Per-capita income
- $15,246
- Median age
- 20.9
- Households
- 179
- Housing units
- 225
- Median home value
- $183,900
- Median gross rent
- $473 / month
- Congressional district
- OH-2 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 740Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 45674 with another ZIP · ZIPs within 25 miles · distance from 45674
Map of ZIP code 45674
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 23°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 46 | 55 | 67 | 75 | 83 | 86 | 86 | 80 | 68 | 56 | 45 |
| Avg low °F | 23 | 25 | 32 | 42 | 52 | 61 | 66 | 64 | 57 | 45 | 34 | 28 |
| Precip in | 3.1 | 3.1 | 4.0 | 3.9 | 4.5 | 4.6 | 4.5 | 3.5 | 3.8 | 3.1 | 2.6 | 3.8 |
NOAA 1991–2020 climate normals from the nearest station: GALLIPOLIS (11.4 mi) · NOAA NCEI
Places in ZIP 45674
- 1 schools
- 1 colleges & universities
- 1 restaurants & cafés
- 1 parks
- 3 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 2 places of worship
- 1 banks
- 2 gas stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page