ZIP code · Columbus Grove · Ohio · United States
ZIP code 45830 — Columbus Grove
ZIP code 45830 serves Columbus Grove, Ohio.
- Postal code
- 45830Single source Value from one source, not cross-checked.
- City
- Columbus Grove
- County
- Putnam FIPS 39137
- State
- Ohio
- Country
- United States
- Coordinates
- 40.9137, -84.0705 — precision precise (locality)
View on OpenStreetMap - Population
- 5,403 (ZCTA, ACS 5-year)
- Population density
- 57 / sq mi
- Land area
- 94.6 sq mi (244.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $78,449
- Per-capita income
- $38,724
- Median age
- 39.7
- Households
- 2,153
- Housing units
- 2,235
- Median home value
- $168,200
- Median gross rent
- $815 / month
- Congressional districts
- OH-5 (also OH-4) (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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
- 419 (from the nearest rate centre)Telephone 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 45830 with another ZIP · ZIPs within 25 miles · distance from 45830
Map of ZIP code 45830
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 19°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 37 | 48 | 61 | 73 | 81 | 84 | 82 | 76 | 64 | 50 | 38 |
| Avg low °F | 19 | 22 | 30 | 40 | 51 | 61 | 64 | 62 | 54 | 44 | 34 | 25 |
| Precip in | 2.6 | 2.2 | 2.6 | 3.8 | 4.4 | 4.3 | 4.0 | 3.5 | 3.1 | 2.8 | 2.8 | 2.6 |
NOAA 1991–2020 climate normals from the nearest station: PANDORA (6.1 mi) · NOAA NCEI
Places in ZIP 45830
- 5 schools
- 2 doctors & dentists
- 1 supermarkets
- 5 restaurants & cafés
- 2 bars & pubs
- 8 parks
- 6 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 6 places of worship
- 3 banks
- 3 gas stations
- 2 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