St. Clair Township is one of thirteen townships in Butler County, Ohio, United States. The township consists of three disconnected pieces located along the Great Miami River in the central portion of the county. It had a population of 6,671 at the 2020 census.

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How St. Clair ranks

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#354Lowest property tax in OH #348Most remote workers in OH #362Most affordable in OH All OH rankings →

Town numbers

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Living in St. Clair

Work & commute in St. Clair

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Most working residents leave St. Clair for work: only 4% work in town. The top destinations are Hamilton (13%), Fairfield (8%) and Cincinnati (7%). Half commute less than 12 miles.

Hamilton

13%

Fairfield

Cincinnati

West Chester

4%Work in townlive and work in St. Clair 12 miWhere do people commute?the commute map 1,829Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in St. Clair →

Health in St. Clair

Health Grade C

Healthier than 31% of U.S. towns on seven CDC estimates.

Compared with Ohio

≈Just like Ohio

No difference on any of 32 measures is outside the margin of error.

Conditions all close Habits all close Care all close Mind all close Everyday needs all close

BetterToo close to callWorse

What stands out

Nothing stands out: St. Clair tracks Ohio closely.

Care nearby

Fort Hamilton Hughes Memorial HospitalHamilton · 3.1 mi · ER

Prospect Hill Community Health CenterHamilton · 3 mi · sliding-scale fees

Primary careShortage · part of St. Clair

DentalShortage · part of St. Clair

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 45011, 45013, 45067 · CMS · HRSAHealth in St. Clair →

Natural hazards in St. Clair

Very high

Expected storm and flood damage is higher than in 82% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

36Does St. Clair flood?paid flood claims since 1980 NoneDisasters that paid out hereof 12 declared for Butler County MapSt. Clair vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in St. Clair →

Climate in St. Clair

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St. Clair has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 22°, and about 10 inches of snow falls in a normal winter.

41° / 24°Winter

65° / 43°Spring

85° / 63°Summer

67° / 44°Fall

How much snow does St. Clair get?About 10 inches a winter.Rain & snow →When is the first frost?Around Oct 18, with the last in spring around Apr 22.Frost dates →Is it warmer than it used to be?+1.3° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in St. Clair →

Schools in St. Clair

All St. Clair schools →

C⁺

School Grade C+

The public schools St. Clair’s kids attend, from kindergarten through graduation, trail 57% of Ohio’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

See how St. Clair’s schools compare in OH →

DistrictEdgewood City School DistrictSchools7

Edgewood Intermediate School B-Elementary · Grades 3–6 · 739 students New Miami Elementary School C-Elementary · Grades PK–5 · 292 students Edgewood Early Childhood CenterElementary · Grades PK–K · 288 students Edgewood Middle School C+Middle · Grades 6–8 · 801 students New Miami Middle School C-Middle · Grades 6–8 · 138 students Edgewood High School B-High · Grades 9–12 · 1,053 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within OH. Ratings are from neighbors.