Yankton County

Yankton County, South Dakota

410 Walnut St
Yankton, SD 57078
Phone: (605) 668-3080
Fax: (605) 668-5411
www.co.yankton.sd.us

On the southeastern border of SD, southwest of Sioux Falls; original county; organized Apr 5, 1862 (prior to statehood) from territorial county. Name Origin: For the city of Yankton

Area (sq mi):: 532.62 (land 521.55; water 11.07) Population per square mile: 41.60
Population 2005: 21,718 State rank: 9 Population change: 2000-20005 0.30%; 1990-2000 12.50% Population 2000: 21,652 (White 94.10%; Black or African American 1.20%; Hispanic or Latino 1.80%; Asian 0.40%; Other 3.20%). Foreign born: 1.50%. Median age: 37.00
Income 2000: per capita $17,312; median household $35,374; Population below poverty level: 9.60% Personal per capita income (2000-2003): $24,617-$26,551
Unemployment (2004): 3.30% Unemployment change (from 2000): 0.00% Median travel time to work: 14.40 minutes Working outside county of residence: 9.40% Cities with population over 10,000:
  • Yankton County seat (13,491)
    • See other counties in South Dakota.