Prehistoric cultural affiliation(s) include Mississippian dating back to 1000.
The famous person Captain Archibald S. McKennon is associated with one of more of the Johnson County historic places.
Some of the country's most noteable architects helped create the Johnson County places including Charles L. Thompson, Durward F. Kyle, A.O. Clarke, Arkansas Highway & Transportation, E.V. Construction Co. Bird, Civil Works Administration, Fred Luttjohann, Missouri-Pacific Railroad, Homer Kraus, Chandler, Tip, Ed and & Joe. Prominent architectural styles found in Johnson Country are Classical Revival, Colonial Revival and Bungalow/Craftsman.