Middletown, Butler County

Middletown

City · Butler County · 50,970 residents · 2% municipal income tax

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.

Water

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 The water here

Middletown City61% of residentsGreat Miami Buried Valley Aquifer (wells)
Butler Co. Water District 221% of residentsHamilton wells (Great Miami aquifer) + Cincinnati (Ohio River + wells)
Southwest Regional Water District11% of residentsGreat Miami Buried Valley Aquifer (wells)
Monroe City4% of residentsGreat Miami Buried Valley Aquifer (wells)
Franklin Public Water System2% of residentsGreat Miami Buried Valley Aquifer (own wells)
Catalina Mobile Home Park0% of residentsGroundwater wells (2 wells)
Carlisle City0% of residentsGreat Miami Buried Valley Aquifer (own wells)
Springboro0% of residentsGreat Miami Buried Valley Aquifer (own wells)

Its ZIP codes

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

The ZIP codes serving Middletown
ZIP	Share	Water	Radon	Home value	Schools	Flood
45042 Middletown	67%	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	4.9 pCi/L average radon	Median year built 1957	Middletown City · 2 stars overall	0.8% of residents in the 1% floodplain
45044 Middletown	55%	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
45005 Franklin Township and Franklin	6%	Five high-production wells drawing from the Great Miami Buried Valley Aquifer, treated at the city's 5 MGD iron/manganese filtration plant near the Great Miami River.	5.9 pCi/L average radon	Median year built 1965	Franklin City · 2.5 stars overall	7.6% of residents in the 1% floodplain

The county

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

Nearby places

Liberty Township, Butler County Madison Township, Butler County Monroe Lemon Township, Butler County Franklin Township, Warren County Franklin Wayne Township, Butler County Turtle Creek Township, Warren County Carlisle Gratis Township, Preble County

Cite this page as:

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

Machine-readable: /api/place/middletown.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