Clay County, South Dakota Basics:
Clay County South Dakota - Government Site
Population: 14,096
Area: 412 square miles
County seat: Vermillion
Area code(s) in use: 605
Time zone: CST
High school graduate or higher: 95.4%
Bachelor's degree or higher: 41.3%
Median household income: $38,377
Persons in poverty: 25.3%
Home ownership rate: 55.8%
Mean travel time to work: 16.7 minutes
Adjacent counties:
Cedar (NE) Dixon (NE) Lincoln Turner Union Yankton