Atchison County URL: https://knowledge.ivjn.us/en/places/mo-atchison-county.html Atchison County is a county of Missouri, United States. ## Overview Atchison County is a county of [Missouri](https://knowledge.ivjn.us/en/places/missouri.html), United States (FIPS mo005), with a population of about 5,305[^geonames]. ## Geography - Coordinates: 40.4308, -95.4281 - Time zone: America/Chicago Updated: 2026-10-29 Relations: - Located in: Missouri https://knowledge.ivjn.us/en/places/missouri.html - Contains places: Fairfax https://knowledge.ivjn.us/en/places/mo-fairfax.html - Contains places: Phelps City https://knowledge.ivjn.us/en/places/mo-phelps-city.html - Contains places: Rock Port https://knowledge.ivjn.us/en/places/mo-rock-port.html - Contains places: Tarkio https://knowledge.ivjn.us/en/places/mo-tarkio.html - Contains places: Watson https://knowledge.ivjn.us/en/places/mo-watson.html - Contains places: Westboro https://knowledge.ivjn.us/en/places/mo-westboro.html Mentioned in: - Fairfax https://knowledge.ivjn.us/en/places/mo-fairfax.html - Phelps City https://knowledge.ivjn.us/en/places/mo-phelps-city.html - Rock Port https://knowledge.ivjn.us/en/places/mo-rock-port.html - Tarkio https://knowledge.ivjn.us/en/places/mo-tarkio.html - Watson https://knowledge.ivjn.us/en/places/mo-watson.html - Westboro https://knowledge.ivjn.us/en/places/mo-westboro.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip