State: Listed By Counties Counties in color have 1 or more active title companies
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| South Dakota .......66......Pop | 775,933 |
| . Aurora County | 2,901 |
| . Beadle County | 15,896 |
| . Bennett County | 3,585 |
| . Bon Homme County | 7,087 |
| . Brookings County | 28,121 |
| . Brown County | 34,706 |
| . Brule County | 5,187 |
| . Buffalo County | 2,100 |
| . Butte County | 9,326 |
| . Campbell County | 1,565 |
| . Charles Mix County | 9,194 |
| . Clark County | 3,799 |
| . Clay County | 12,995 |
| . Codington County | 26,010 |
| . Corson County | 4,366 |
| . Custer County | 7,904 |
| . Davison County | 18,777 |
| . Day County | 5,757 |
| . Deuel County | 4,296 |
| . Dewey County | 6,161 |
| . Douglas County | 3,309 |
| . Edmunds County | 4,112 |
| . Fall River County | 7,355 |
| . Faulk County | 2,386 |
| . Grant County | 7,384 |
| . Gregory County | 4,290 |
| . Haakon County | 1,912 |
| . Hamlin County | 5,707 |
| . Hand County | 3,307 |
| . Hanson County | 3,747 |
| . Harding County | 1,218 |
| . Hughes County | 16,875 |
| . Hutchinson County | 7,581 |
| . Hyde County | 1,614 |
| . Jackson County | 2,858 |
| . Jerauld County | 2,136 |
| . Jones County | 1,033 |
| . Kingsbury County | 5,532 |
| . Lake County | 11,039 |
| . Lawrence County | 22,395 |
| . Lincoln County | 33,381 |
| . Lyman County | 3,919 |
| . McCook County | 5,930 |
| . McPherson County | 2,617 |
| . Marshall County | 4,418 |
| . Meade County | 24,623 |
| . Mellette County | 2,088 |
| . Miner County | 2,584 |
| . Minnehaha County | 160,087 |
| . Moody County | 6,637 |
| . Pennington County | 93,580 |
| . Perkins County | 3,023 |
| . Potter County | 2,351 |
| . Roberts County | 10,044 |
| . Sanborn County | 2,541 |
| . Shannon County | 13,657 |
| . Spink County | 6,899 |
| . Stanley County | 2,829 |
| . Sully County | 1,430 |
| . Todd County | 9,882 |
| . Tripp County | 6,065 |
| . Turner County | 8,520 |
| . Union County | 13,462 |
| . Walworth County | 5,494 |
| . Yankton County | 21,718 |
| . Ziebach County | 2,631 |