Prehistoric cultural affiliation(s) include Native American, Late Period and Wanapum dating back to 8499 BC.
The famous person Frank Bell is associated with one of more of the Grant County historic places.
Some of the country's most noteable architects helped create the Grant County places including Chi.,Milwkee,St.Pl. & Pacific RR Co., George Keith, Albert Harvey Funk, Keith & Whitehouse and Westcott & Gifford. Prominent architectural styles found in Grant Country are Classical Revival, Colonial Revival and Late Victorian.