Prehistoric cultural affiliation(s) include Native American and Black Hawk dating back to 1000.
Many famous people are associated with these Rock Island County historic places including Suzanne Denkmann, Abraham Lincoln, Frederick E. Weyerhaeuser, Francis Black, John Deere and Joseph Huntoon.
Some of the country's most noteable architects helped create the Rock Island County places including Robert C. Spencer, U.S. Army Corps of Engineers, Jens Jensen, General Thomas J. Rodman, George P. Stauduhar, Francis Black, Saranus Brettun, John Laforge, L.G. Hallberg and Leonard M. Drack. Prominent architectural styles found in Rock Island Country are Classical Revival, Late 19th And 20th Century Revivals and Colonial Revival.