| County Population Centroids for South Dakota |
| ST | COU | COUNTY NAME | POPULATION | LATITUDE | LONGITUDE |
| 46 | 003 | Aurora | 3,058 | 43.695857 | -98.530152 |
| 46 | 005 | Beadle | 17,023 | 44.371120 | -98.232787 |
| 46 | 007 | Bennett | 3,574 | 43.207091 | -101.77090 |
| 46 | 009 | Bon Homme | 7,260 | 42.978693 | -97.856050 |
| 46 | 011 | Brookings | 28,220 | 44.315642 | -96.786414 |
| 46 | 013 | Brown | 35,460 | 45.480675 | -98.446051 |
| 46 | 015 | Brule | 5,364 | 43.762949 | -99.186706 |
| 46 | 017 | Buffalo | 2,032 | 44.058482 | -99.371682 |
| 46 | 019 | Butte | 9,094 | 44.678142 | -103.74673 |
| 46 | 021 | Campbell | 1,782 | 45.809157 | -100.10066 |
| 46 | 023 | Charles Mix | 9,350 | 43.176837 | -98.516294 |
| 46 | 025 | Clark | 4,143 | 44.844575 | -97.708816 |
| 46 | 027 | Clay | 13,537 | 42.814639 | -96.940823 |
| 46 | 029 | Codington | 25,897 | 44.914727 | -97.130700 |
| 46 | 031 | Corson | 4,181 | 45.760364 | -100.95608 |
| 46 | 033 | Custer | 7,275 | 43.737928 | -103.52589 |
| 46 | 035 | Davison | 18,741 | 43.705398 | -98.042706 |
| 46 | 037 | Day | 6,267 | 45.363577 | -97.525446 |
| 46 | 039 | Deuel | 4,498 | 44.737461 | -96.664647 |
| 46 | 041 | Dewey | 5,972 | 45.127139 | -101.12314 |
| 46 | 043 | Douglas | 3,458 | 43.371581 | -98.361354 |
| 46 | 045 | Edmunds | 4,367 | 45.454280 | -99.176069 |
| 46 | 047 | Fall River | 7,453 | 43.388995 | -103.51708 |
| 46 | 049 | Faulk | 2,640 | 45.071345 | -99.114492 |
| 46 | 051 | Grant | 7,847 | 45.205164 | -96.648944 |
| 46 | 053 | Gregory | 4,792 | 43.181041 | -99.274279 |
| 46 | 055 | Haakon | 2,196 | 44.136112 | -101.57360 |
| 46 | 057 | Hamlin | 5,540 | 44.649119 | -97.143408 |
| 46 | 059 | Hand | 3,741 | 44.534185 | -98.992609 |
| 46 | 061 | Hanson | 3,139 | 43.652880 | -97.770556 |
| 46 | 063 | Harding | 1,353 | 45.611175 | -103.50264 |
| 46 | 065 | Hughes | 16,481 | 44.377935 | -100.29899 |
| 46 | 067 | Hutchinson | 8,075 | 43.334904 | -97.750972 |
| 46 | 069 | Hyde | 1,671 | 44.509202 | -99.459683 |
| 46 | 071 | Jackson | 2,930 | 43.686659 | -101.62855 |
| 46 | 073 | Jerauld | 2,295 | 44.086482 | -98.562814 |
| 46 | 075 | Jones | 1,193 | 43.907003 | -100.69728 |
| 46 | 077 | Kingsbury | 5,815 | 44.377099 | -97.412877 |
| 46 | 079 | Lake | 11,276 | 44.005419 | -97.101658 |
| 46 | 081 | Lawrence | 21,802 | 44.443373 | -103.80071 |
| 46 | 083 | Lincoln | 24,131 | 43.389457 | -96.733058 |
| 46 | 085 | Lyman | 3,895 | 43.937274 | -99.740557 |
| 46 | 087 | McCook | 5,832 | 43.665693 | -97.356211 |
| 46 | 089 | McPherson | 2,904 | 45.756877 | -99.292898 |
| 46 | 091 | Marshall | 4,576 | 45.758630 | -97.644617 |
| 46 | 093 | Meade | 24,253 | 44.300985 | -103.27135 |
| 46 | 095 | Mellette | 2,083 | 43.546189 | -100.80808 |
| 46 | 097 | Miner | 2,884 | 44.017483 | -97.562248 |
| 46 | 099 | Minnehaha | 148,281 | 43.558584 | -96.730397 |
| 46 | 101 | Moody | 6,595 | 44.021118 | -96.655885 |
| 46 | 103 | Pennington | 88,565 | 44.065642 | -103.21517 |
| 46 | 105 | Perkins | 3,363 | 45.720777 | -102.32240 |
| 46 | 107 | Potter | 2,693 | 45.080666 | -99.895601 |
| 46 | 109 | Roberts | 10,016 | 45.614178 | -96.949480 |
| 46 | 111 | Sanborn | 2,675 | 44.008972 | -98.149642 |
| 46 | 113 | Shannon | 12,466 | 43.186742 | -102.48500 |
| 46 | 115 | Spink | 7,454 | 44.909189 | -98.420206 |
| 46 | 117 | Stanley | 2,772 | 44.361379 | -100.43394 |
| 46 | 119 | Sully | 1,556 | 44.714150 | -100.10801 |
| 46 | 121 | Todd | 9,050 | 43.250116 | -100.78983 |
| 46 | 123 | Tripp | 6,430 | 43.349510 | -99.853712 |
| 46 | 125 | Turner | 8,849 | 43.302042 | -97.118542 |
| 46 | 127 | Union | 12,584 | 42.735071 | -96.614709 |
| 46 | 129 | Walworth | 5,974 | 45.517766 | -100.29732 |
| 46 | 135 | Yankton | 21,652 | 42.904333 | -97.392942 |
| 46 | 137 | Ziebach | 2,519 | 44.905452 | -101.56716 |
