Fairfield, Butler County

Fairfield

City · Butler County · 44,904 residents · 1.5% municipal income tax

Butler County

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

Six deep wells pumping the Great Miami buried-valley aquifer at the Groh Lane well field/plant site The water here

Fairfield City93% of residentsGreat Miami Buried Valley Aquifer (wells)
Southwest Regional Water District4% of residentsGreat Miami Buried Valley Aquifer (wells)
Hamilton Public Water System1% of residentsGreat Miami Buried Valley Aquifer (wells)
Butler Co. Water District 21% of residentsHamilton wells (Great Miami aquifer) + Cincinnati (Ohio River + wells)
Cincinnati Public Water System0% of residentsOhio River (Miller Plant, ~88%) plus Great Miami Buried Valley Aquifer wells (~12%)
New Miami Village0% of residentsGroundwater wells (3 wells)

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

The ZIP codes serving Fairfield
ZIP	Share	Water	Radon	Home value	Schools	Flood
45014 Fairfield	96%	Six deep wells pumping the Great Miami buried-valley aquifer at the Groh Lane well field/plant site	4.7 pCi/L average radon	Median year built 1977	Fairfield City · 3.5 stars overall	5.5% of residents in the 1% floodplain
45011 Liberty Township and Hamilton	1%	Great Miami Buried Valley Aquifer, drawn from 16 production wells scattered through the City of Fairfield along the Great Miami River (river-induced infiltration), treated at the plant on River Road in Fairfield	4.3 pCi/L average radon	Median year built 1994	Lakota Local · 4.5 stars overall	2.3% of residents in the 1% floodplain

Butler County: 13 ZIP codes, 22 cities, villages and townships, 382,868 people.

Cite this page as:

Cracked Buckeye (Open Shower Co), "Fairfield, Butler County", https://crackedbuckeye.com/place/fairfield/, built 2026-09-16, accessed [date].

Machine-readable: /api/place/fairfield.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