Clay County URL: https://knowledge.ivjn.us/en/places/mo-clay-county.html Clay County is a county of Missouri, United States. ## Overview Clay County is a county of [Missouri](https://knowledge.ivjn.us/en/places/missouri.html), United States (FIPS mo047), with a population of about 249,948[^geonames]. ## Geography - Coordinates: 39.3105, -94.4209 - Time zone: America/Chicago Updated: 2026-10-29 Relations: - Located in: Missouri https://knowledge.ivjn.us/en/places/missouri.html - Contains places: Avondale https://knowledge.ivjn.us/en/places/mo-avondale.html - Contains places: Birmingham https://knowledge.ivjn.us/en/places/mo-birmingham.html - Contains places: Claycomo https://knowledge.ivjn.us/en/places/mo-claycomo.html - Contains places: Excelsior Springs https://knowledge.ivjn.us/en/places/mo-excelsior-springs.html - Contains places: Gladstone https://knowledge.ivjn.us/en/places/mo-gladstone.html - Contains places: Glenaire https://knowledge.ivjn.us/en/places/mo-glenaire.html - Contains places: Holt https://knowledge.ivjn.us/en/places/mo-holt.html - Contains places: Kearney https://knowledge.ivjn.us/en/places/mo-kearney.html - Contains places: Liberty https://knowledge.ivjn.us/en/places/mo-liberty.html - Contains places: Missouri City https://knowledge.ivjn.us/en/places/mo-missouri-city.html Mentioned in: - Avondale https://knowledge.ivjn.us/en/places/mo-avondale.html - Birmingham https://knowledge.ivjn.us/en/places/mo-birmingham.html - Claycomo https://knowledge.ivjn.us/en/places/mo-claycomo.html - Excelsior Springs https://knowledge.ivjn.us/en/places/mo-excelsior-springs.html - Gladstone https://knowledge.ivjn.us/en/places/mo-gladstone.html - Glenaire https://knowledge.ivjn.us/en/places/mo-glenaire.html - Holt https://knowledge.ivjn.us/en/places/mo-holt.html - Kearney https://knowledge.ivjn.us/en/places/mo-kearney.html - Liberty https://knowledge.ivjn.us/en/places/mo-liberty.html - Missouri City https://knowledge.ivjn.us/en/places/mo-missouri-city.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip