Hannibal is a community in Monroe County, Ohio, home to about 241 people across 1.1 square miles. Its ZIP code is 43931, and parts of 43915 and 43946 are in Hannibal too.
Homes sold for a median of $171 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
All in Hannibal
Mostly Clarington; part is in Hannibal
Mostly Sardis; part is in Hannibal
Each card is that ZIP code’s whole market, including any part outside Hannibal. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hannibal’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Pittsburgh International Airport (PIT)64 miles away |
|---|---|
| Closer regional airport | Mid Ohio Valley Regional Airport (PKB)38 miles away |
| Nearest city of 250,000+ | Pittsburgh, PA70 miles away |
| Nearest city of 1 million+ | Philadelphia, PA306 miles away |
Straight-line distances from the center of Hannibal; 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.
Hannibal had 314 residents in the 2020 census, down 24% since 2010.
It’s the 1084th largest of 1,264 towns in Ohio by population.
Monroe County grew from 27,031 residents in 1900 to 13,385 in 2020.
Monroe County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 20°F. About 45.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hannibal Locks & Dam, OH weather station (4 miles away).
1,923 jobs at 244 businesses in Monroe 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
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 Switzerland of Ohio Local. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| River Elementary SchoolHannibal | Pre-K–8 | 289 | Public | 3.1 mi |
| River High SchoolHannibal | 9–12 | 180 | Public | 3.0 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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Shares ZIP codes with Sardis and Clarington.
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.