Caledonia is a village in Marion County, Ohio, home to about 421 people across 0.2 square miles. It has no ZIP code of its own: it’s part of 43314.
Homes sold for a median of $172 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Caledonia. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Caledonia’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | John Glenn Columbus International Airport (CMH)44 miles away |
|---|---|
| Nearest city of 250,000+ | Columbus, OH44 miles away |
| Nearest city of 1 million+ | Chicago, IL258 miles away |
Straight-line distances from the center of Caledonia; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Caledonia had 560 residents in the 2020 census, down 3% since 2000.
It’s the 926th largest of 1,264 towns in Ohio by population.
Marion County grew from 28,678 residents in 1900 to 65,359 in 2020.
Marion County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 19°F. About 37.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Marion Muni Ap, OH weather station (4 miles away).
20,917 jobs at 1,051 businesses in Marion County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Caledonia.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Museums
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by River Valley Local. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Liberty Elementary SchoolCaledonia | Pre-K–5 | 402 | Public | 1.4 mi |
| River Valley Middle SchoolCaledonia | 6–8 | 481 | Public | 3.1 mi |
| River Valley High SchoolCaledonia | 9–12 | 455 | Public | 3.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.