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Monroe

City · Butler County · 15,412 residents · 2% municipal income tax

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Butler 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 Butler County

Water

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 The water here

Its ZIP codes

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

ZIPShareWaterRadon Home valueSchoolsFlood
45050 Monroe 100% 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 5.8 pCi/L average radon Median year built 2002 Monroe Local · 4.5 stars overall 0.0% of residents in the 1% floodplain
45044 Middletown 6% Six groundwater wells on the west side of the Great Miami River along Cincinnati-Dayton Road / Oxford State Road, pumped to the treatment plant on Columbia Ave 4.1 pCi/L average radon Median year built 1973 Middletown City · 2 stars overall 1.0% of residents in the 1% floodplain

The county

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

Nearby places

Middletown Liberty Township, Butler County Lemon Township, Butler County Turtle Creek Township, Warren County

Cite this page as:

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

Machine-readable: /api/place/monroe.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