Prehistoric cultural affiliation(s) include Late Woodland, Middle Woodland, Yankeetown, Mississippian and Early Woodland dating back to 1499 BC.
The famous person John Marshall is associated with one of more of the Gallatin County historic places.
Some of the country's most noteable architects helped create the Gallatin County places including William Gavin, John McKee and Robert Peeples. Prominent architectural styles found in Gallatin Country are Greek Revival, Classical Revival and Federal.