
Hannibal is an unincorporated community and census-designated place (CDP) in eastern Ohio Township, Monroe County, Ohio, United States. It has a post office with the ZIP code 43931.
Photo & intro: Wikipedia
About Hannibal
Set in the southeastern part of Ohio, Hannibal is a small unincorporated community.
Officially, Hannibal is a census-designated place — a real, named community that residents call home, governed at the county level. The community covers 1.11 square miles.
What Makes Hannibal Unique
- An unincorporated community — no city hall of its own, which often means lower local taxes and county-managed services.
- Positioned in southeastern Ohio, convenient to the region's corridors and crossings.
- Part of the fabric of Ohio — one of 1,265 recognized communities statewide.
Why People Love It Here
- Small-town pace of life: less traffic, more community, and neighbors who wave.
- Housing dollars stretch further here than in the nearest metro.
- Well connected: 3+ neighboring communities within 6 miles.
🍽️ Where to Eat in Hannibal
Local spots mapped by the OpenStreetMap community · click a restaurant to read or write reviews.
🏞️ Parks & Outdoors in Hannibal
Parks mapped by the OpenStreetMap community · "reviews" opens each park's live Google reviews.
🏫 Schools in Hannibal
- River Elementary School
- River High School
Public schools, U.S. Dept. of Education (NCES) 2023–24 directory.