Sullivan County URL: https://knowledge.ivjn.us/en/places/mo-sullivan-county.html Sullivan County is a county of Missouri, United States. ## Overview Sullivan County is a county of [Missouri](https://knowledge.ivjn.us/en/places/missouri.html), United States (FIPS mo211), with a population of about 5,999[^geonames]. ## Geography - Coordinates: 40.2106, -93.1115 - Time zone: America/Chicago Updated: 2026-10-29 Relations: - Located in: Missouri https://knowledge.ivjn.us/en/places/missouri.html - Contains places: Green Castle https://knowledge.ivjn.us/en/places/mo-green-castle.html - Contains places: Green City https://knowledge.ivjn.us/en/places/mo-green-city.html - Contains places: Humphreys https://knowledge.ivjn.us/en/places/mo-humphreys.html - Contains places: Milan https://knowledge.ivjn.us/en/places/mo-milan.html - Contains places: Newtown https://knowledge.ivjn.us/en/places/mo-newtown.html - Contains places: Harris https://knowledge.ivjn.us/en/places/mo-harris.html - Contains places: Osgood https://knowledge.ivjn.us/en/places/mo-osgood.html - Contains places: Pollock https://knowledge.ivjn.us/en/places/mo-pollock.html - Contains places: Winigan https://knowledge.ivjn.us/en/places/mo-winigan.html Mentioned in: - Green Castle https://knowledge.ivjn.us/en/places/mo-green-castle.html - Green City https://knowledge.ivjn.us/en/places/mo-green-city.html - Harris https://knowledge.ivjn.us/en/places/mo-harris.html - Humphreys https://knowledge.ivjn.us/en/places/mo-humphreys.html - Milan https://knowledge.ivjn.us/en/places/mo-milan.html - Newtown https://knowledge.ivjn.us/en/places/mo-newtown.html - Osgood https://knowledge.ivjn.us/en/places/mo-osgood.html - Pollock https://knowledge.ivjn.us/en/places/mo-pollock.html - Winigan https://knowledge.ivjn.us/en/places/mo-winigan.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip