Seneca County URL: https://knowledge.ivjn.us/en/places/oh-seneca-county.html Seneca County is a county of Ohio, United States. ## Overview Seneca County is a county of [Ohio](https://knowledge.ivjn.us/en/places/ohio.html), United States (FIPS oh147), with a population of about 55,069[^geonames]. ## Geography - Coordinates: 41.1239, -83.1277 - Time zone: America/New_York Updated: 2026-10-29 Relations: - Located in: Ohio https://knowledge.ivjn.us/en/places/ohio.html - Contains places: Attica https://knowledge.ivjn.us/en/places/oh-attica.html - Contains places: Bascom https://knowledge.ivjn.us/en/places/oh-bascom.html - Contains places: Bettsville https://knowledge.ivjn.us/en/places/oh-bettsville.html - Contains places: Bloomville https://knowledge.ivjn.us/en/places/oh-bloomville.html - Contains places: Fort Seneca https://knowledge.ivjn.us/en/places/oh-fort-seneca.html - Contains places: Flat Rock https://knowledge.ivjn.us/en/places/oh-flat-rock.html - Contains places: Fostoria https://knowledge.ivjn.us/en/places/oh-fostoria.html - Contains places: Kansas https://knowledge.ivjn.us/en/places/oh-kansas.html - Contains places: Melmore https://knowledge.ivjn.us/en/places/oh-melmore.html - Contains places: New Riegel https://knowledge.ivjn.us/en/places/oh-new-riegel.html Mentioned in: - Attica https://knowledge.ivjn.us/en/places/oh-attica.html - Bascom https://knowledge.ivjn.us/en/places/oh-bascom.html - Bettsville https://knowledge.ivjn.us/en/places/oh-bettsville.html - Bloomville https://knowledge.ivjn.us/en/places/oh-bloomville.html - Flat Rock https://knowledge.ivjn.us/en/places/oh-flat-rock.html - Fort Seneca https://knowledge.ivjn.us/en/places/oh-fort-seneca.html - Fostoria https://knowledge.ivjn.us/en/places/oh-fostoria.html - Kansas https://knowledge.ivjn.us/en/places/oh-kansas.html - Melmore https://knowledge.ivjn.us/en/places/oh-melmore.html - New Riegel https://knowledge.ivjn.us/en/places/oh-new-riegel.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip