Greenfield, OH ZIP code
The ZIP code for Greenfield, Ohio is 45123. It is in Highland County.
- Population in these ZIPs
- 8,740
- Avg. median income
- $62,400population-weighted
- Typical home value
- $166,500population-weighted
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Greenfield, OH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 45123 | 8,740 | $62,404 | $166,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Greenfield
- South Salem 8 mi
- Leesburg 8 mi
- Frankfort 11 mi
- Highland 11 mi
- Bainbridge 11 mi
- Washington Court House 13 mi
- Clarksburg 15 mi
- New Vienna 16 mi
- New Holland 16 mi
- Hillsboro 16 mi
- Sabina 18 mi
- Reesville 18 mi
Frequently asked questions
What is the ZIP code for Greenfield, OH?
The ZIP code for Greenfield, OH is 45123.
What county is Greenfield, Ohio in?
Greenfield ZIP codes are in Highland County.