Prehistoric cultural affiliation(s) include Middle Woodland, Early Woodland, Late Woodland and Illinois Hopewell dating back to 8999 BC.
Some of the country's most noteable architects helped create the Jersey County places including Henry Gutterson, Bernard Maybeck, Henry Elliot, William Embley, Nicholas F. Smith, J. Knight, John McClintock, Joseph F. Booten and William Embly. Prominent architectural styles found in Jersey Country are Italianate, Queen Anne and Mid 19th Century Revival.