Founded in 1834, Johnson County is one of 114 counties in the state of Missouri. Historically, Johnson County was formed from Lillard (now Lafayette) County. The city of Warrensburg is the county seat. With FIPS code of 101, Johnson County has a population of 54,150 and area of 831 square miles (2,152 km2).
List of all cities in Johnson County, MO alphabetically
|City/Town||Postal Code||Area Code|
|Knob Noster, MO||65305||660|
|Valley City, MO||65336||660|
|Whiteman Air Force Base, MO||65305||660|