Sitemap to all pages covering the state of South Dakota. Photo contributions by Alex Nitzman, Andy Field and Brent Ivy.

Highway Guides

State Highways

Population Statistics

State Population
814,180
Top County Populations
Minnehaha 169,468 Pennington 100,948 Lincoln 44,828
Brown 36,531 Brookings 31,965 Codington 27,227
Top City Populations
Sioux Falls 153,888 Rapid City 67,956 Aberdeen 26,091
Watertown 21,482 Brookings 22,056 Mitchell 15,254
Pierre 13,646 Yankton 14,454 Huron 12,592
Source: 2010 U.S. Census Data

About South Dakota

  • Capital: Pierre
  • Nickname: Mount Rushmore State
  • Area: 77,116 square miles or 199,730 square kilometers, 16th largest
  • Statehood: 40th state; admitted November 2, 1889
  • Total Interstate Mileage: 678.31 miles
  • Highest Point: Harney Peak (7,242 feet above sea level)
  • Mining: gold
  • Agriculture: cattle, milk, corn, pigs/hogs, soybeans, wheat