Castor is an unincorporated community in the northwestern part of Filmore Township in Bollinger County, Missouri, United States. Castor is situated on the Castor River and is located approximately 16 miles west of Marble Hill.

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How Castor ranks

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#23Most affordable in MO #28Lowest property tax in MO #38Best schools in MO All MO rankings →

Town numbers

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Living in Castor

Health in Castor

Health Grade D

Healthier than 12% of U.S. towns on seven CDC estimates.

Compared with Missouri

15worse than MO

of 32 measures CDC estimates. The other 17 are too close to call.

Conditions 8▼ 4 close Habits 2▼ 2 close Care 2▼ 5 close Mind 2▼ 3 close Everyday needs 1▼ 3 close

BetterToo close to callWorse

What stands out

11.6%More adults with COPDMO 8% · worse 21.9%More smokersMO 16% · worse 26.9%More adults in fair or poor healthMO 20.5% · worse

Care nearby

Mercy Hospital StoddardDexter · 5.3 mi · ER

Bernie Medical and Dental CenterBernie · 15.4 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 63825, 63841, 63846 · CMS · HRSAHealth in Castor →

Schools in Castor

All Castor schools →

A⁻

School Grade A-

The public schools Castor’s kids attend, from kindergarten through graduation, outperform 79% of Missouri’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#38Best public schoolsof 226 in MO

DistrictBLOOMFIELD R-XIVSchools4

Bloomfield Elem. AElementary · Grades PK–4 · 229 students Bloomfield Middle B+Middle · Grades 5–8 · 186 students Bloomfield High B+High · Grades 9–12 · 167 students Juvenile CTR.Other · Grades 2–12 · 13 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 MO. Ratings are from neighbors.