'Yankton County' definitions:
Yankton -- U.S. County in South Dakota
From: Gazetteer 2000
Name :
Yankton -- U.S. County in South Dakota
Population (2000) :
21652
Housing Units (2000) :
8840
Land area (2000) :
521.550858 sq. miles (1350.810463 sq. km)
Water area (2000) :
11.065421 sq. miles (28.659307 sq. km)
Total area (2000) :
532.616279 sq. miles (1379.469770 sq. km)
Located within :
South Dakota (SD), FIPS 46
Location :
42.960419 N, 97.385342 W