Prospect, OH ZIP code
The ZIP code for Prospect, Ohio is 43342. It is in Marion County.
- Population in these ZIPs
- 3,836
- Avg. median income
- $84,800population-weighted
- Typical home value
- $268,600population-weighted
- Metro area
- Marion, OH
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Prospect, OH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 43342 | 3,836 | $84,803 | $268,600 |
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 Prospect
- Green Camp 4 mi
- Radnor 5 mi
- Waldo 8 mi
- Richwood 9 mi
- Magnetic Springs 9 mi
- Marion 10 mi
- New Bloomington 11 mi
- Ashley 12 mi
- Ostrander 13 mi
- La Rue 13 mi
- Delaware 14 mi
- Broadway 15 mi
Frequently asked questions
What is the ZIP code for Prospect, OH?
The ZIP code for Prospect, OH is 43342.
What county is Prospect, Ohio in?
Prospect ZIP codes are in Marion County.