Prehistoric cultural affiliation(s) include Pre-Contact Villager, Itskari Phase, Loup River Phase and Upper Republican Aspect dating back to 1000.
Some of the country's most noteable architects helped create the Sherman County places including Henningson Engineering Co., Fiske & Meginnes, Builders John Ohlson & Sons and O. Almquist. Prominent architectural styles found in Sherman Country are Beaux Arts, Classical Revival and Early Commercial.