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Columbia Township, Hamilton County

Township · Hamilton County · 4,238 residents

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Hamilton County

The story

Local history for this place is being researched county by county outward from Franklin County; here is what the records say.

More on Hamilton County

Water

Ohio River intake at the plant's riverfront on Kellogg Ave in the California neighborhood, east Cincinnati The water here

  • Cincinnati Public Water System97% of residentsOhio River (Miller Plant, ~88%) plus Great Miami Buried Valley Aquifer wells (~12%)
  • Indian Hill City3% of residentsLittle Miami River valley aquifer (wells near Milford)
  • Reading City0% of residentsOhio River (Miller Plant, ~88%) plus Great Miami Buried Valley Aquifer wells (~12%)

Its ZIP codes

Each ZIP code that touches Columbia Township, Hamilton County, with the share of its residents who live here and the same headline figures as the ZIP page.

ZIPShareWaterRadon Home valueSchoolsFlood
45227 Cincinnati 15% Ohio River intake at the plant's riverfront on Kellogg Ave in the California neighborhood, east Cincinnati 3.3 pCi/L average radon Parcel list only Cincinnati City · 2.5 stars overall 2.6% of residents in the 1% floodplain
45213 Cincinnati 9% Ohio River intake at the plant's riverfront on Kellogg Ave in the California neighborhood, east Cincinnati 2.5 pCi/L average radon Parcel list only Cincinnati City · 2.5 stars overall 0.0% of residents in the 1% floodplain
45243 Madeira and Cincinnati 1% Wells in the Little Miami River valley sand-and-gravel aquifer near Milford, serving the Village of Indian Hill; specific well-field location not confirmed from available sources. 3.1 pCi/L average radon Parcel list only Madeira City · 5 stars overall 0.0% of residents in the 1% floodplain
45236 Sycamore Township and Cincinnati 1% Ohio River intake at the plant's riverfront on Kellogg Ave in the California neighborhood, east Cincinnati 2.6 pCi/L average radon Parcel list only Deer Park Community City · 3.5 stars overall 0.0% of residents in the 1% floodplain

The county

Hamilton County: 54 ZIP codes, 47 cities, villages and townships, 843,791 people.

Nearby places

Cincinnati Mariemont Fairfax Madeira Sycamore Township, Hamilton County Silverton Indian Hill Amberley Deer Park Blue Ash

Cite this page as:

Cracked Buckeye (Open Shower Co), "Columbia Township, Hamilton County", https://crackedbuckeye.com/place/columbia-township-hamilton-county/, built 2026-09-16, accessed [date].

Machine-readable: /api/place/columbia-township-hamilton-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