South Dakota — All 66 Counties

South Dakota has 66 counties with 477 communities and a combined population of 711,783.

CountyTownsPopulation
Lincoln County10222,093
Pennington County1392,070
Brown County1632,097
Brookings County1330,587
Meade County928,106
Minnehaha County1626,756
Codington County723,888
Lawrence County1021,159
Yankton County716,408
Davison County416,342
Beadle County1416,298
Hughes County414,748
Clay County512,896
Union County611,410
Lake County118,257
Oglala Lakota County77,419
Todd County116,711
Butte County56,613
Roberts County135,647
Hutchinson County125,250
Turner County105,210
Bon Homme County75,178
Fall River County104,716
Charles Mix County104,704
Grant County94,547
Dewey County94,442
Moody County63,936
Walworth County63,868
Spink County153,816
Hamlin County83,673
Tripp County53,402
Brule County63,366
Day County93,233
McCook County73,079
Edmunds County82,999
Custer County52,839
Lyman County72,699
Gregory County72,586
Stanley County12,534
Marshall County92,280
Deuel County72,220
Clark County122,130
Bennett County21,914
Kingsbury County81,907
Potter County41,820
Corson County71,655
Perkins County31,651
Hand County41,610
McPherson County81,537
Douglas County61,507
Hanson County71,469
Jackson County51,441
Aurora County51,328
Miner County81,271
Mellette County51,235
Buffalo County21,139
Sanborn County51,137
Jerauld County31,121
Faulk County101,044
Campbell County4930
Sully County3808
Hyde County2724
Ziebach County3713
Jones County3694
Haakon County2599
Harding County2317