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
- Gambier Village44% of residentsBuried Valley Aquifer (Kokosing River valley wells)
- Utica Village40% of residentsGroundwater wells (2 wells)
- Martinsburg Village15% of residentsGroundwater wells (3 wells)
Its ZIP codes
Each ZIP code that touches Clay Township, Knox 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 |
|---|---|---|---|---|---|---|
| 43037 Clay Township and Martinsburg | 53% | Mostly private wells | Too few radon tests | Median year built 1967 | North Fork Local · 3 stars overall | 0.0% of residents in the 1% floodplain |
| 43005 Jackson Township and Bladensburg | 25% | Mostly private wells | 12.1 pCi/L average radon | Median year built 1928 | East Knox Local · 3.5 stars overall | 5.0% of residents in the 1% floodplain |
| 43080 Utica | 11% | Mostly private wells | 16.1 pCi/L average radon | Median year built 1972 | North Fork Local · 3 stars overall | 6.9% of residents in the 1% floodplain |
| 43022 Gambier | 11% | Wells drawing groundwater from the buried-valley aquifer along the Kokosing River near Mount Vernon | 10.8 pCi/L average radon | Median year built 1975 | Mount Vernon City · 4 stars overall | 1.5% of residents in the 1% floodplain |
The county
Knox County: 8 ZIP codes, 28 cities, villages and townships, 62,928 people.
Nearby places
Cite this page
Cite this page as:
Cracked Buckeye (Open Shower Co), "Clay Township, Knox County", https://crackedbuckeye.com/place/clay-township-knox-county/, built 2026-09-16, accessed [date].
Machine-readable: /api/place/clay-township-knox-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