The story
Local history for this place is being researched county by county outward from Franklin County; here is what the records say.
Water
Mostly private wells The water here
- Mendon Village80% of residentsGroundwater wells (3 wells)
- Rockford Village15% of residentsGroundwater wells (2 wells)
- Spencerville Village5% of residentsGroundwater wells (3 wells)
Its ZIP codes
Each ZIP code that touches Union Township, Mercer County, with the share of its residents who live here and the same headline figures as the ZIP page.
| ZIP | Share | Water | Radon | Home value | Schools | Flood |
|---|---|---|---|---|---|---|
| 45862 Mendon | 38% | Mostly private wells | Too few radon tests | Parcel list only | Parkway Local · 4 stars overall | 3.0% of residents in the 1% floodplain |
| 45882 Rockford | 4% | Mostly private wells | 0.7 pCi/L average radon | Parcel list only | Parkway Local · 4 stars overall | 6.9% of residents in the 1% floodplain |
| 45894 York Township and Venedocia | 1% | Mostly private wells | Too few radon tests | Parcel list only | Lincolnview Local · 4 stars overall | 0.0% of residents in the 1% floodplain |
| 45887 Spencerville | 1% | Mostly private wells | 4.8 pCi/L average radon | Appraisal records without year built | Spencerville Local · 4.5 stars overall | 2.9% of residents in the 1% floodplain |
The county
Mercer County: 10 ZIP codes, 23 cities, villages and townships, 42,566 people.
Nearby places
Cite this page
Cite this page as:
Cracked Buckeye (Open Shower Co), "Union Township, Mercer County", https://crackedbuckeye.com/place/union-township-mercer-county/, built 2026-09-16, accessed [date].
Machine-readable: /api/place/union-township-mercer-county.json (open JSON, CC BY 4.0 for the compilation; the underlying records keep their own terms) · How to cite · Report a correction · Built 2026-09-16