Hannibal URL: https://knowledge.ivjn.us/en/places/mo-hannibal.html Hannibal is a city in Missouri, United States. ## Overview Hannibal is a city in [Missouri](https://knowledge.ivjn.us/en/places/missouri.html), United States, with a population of about 17,839[^geonames]. ## Geography - Coordinates: 39.7084, -91.3585 Updated: 2026-10-29 Relations: - Located in: Marion County https://knowledge.ivjn.us/en/places/mo-marion-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip