Adelphi is a village in Ross County, Ohio, home to about 316 people across 0.3 square miles. Its ZIP code is 43101.
Homes sold for a median of $164 per square foot in the three months ending August 2026.
All in Adelphi
Each card is that ZIP code’s whole market, including any part outside Adelphi. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | John Glenn Columbus International Airport (CMH)37 miles away |
|---|---|
| Closer regional airport | Rickenbacker International Airport (LCK)26 miles away |
| Nearest city of 250,000+ | Columbus, OH38 miles away |
| Nearest city of 1 million+ | Chicago, IL306 miles away |
Straight-line distances from the center of Adelphi; 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.
Adelphi had 322 residents in the 2020 census, down 13% since 2000.
It’s the 1003rd largest of 1,264 towns in Ohio by population.
Ross County grew from 40,940 residents in 1900 to 77,093 in 2020.
Ross County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 23°F. About 41.1 inches of rain and melted snow fall in a typical year, with about 15 inches of snow.
Source: NOAA 1991–2020 climate normals, Circleville, OH weather station (15 miles away).
24,319 jobs at 1,245 businesses in Ross County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores (1 nearby)
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.
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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.