- Aurora
(9 historic properties)
- Beadle
(25 historic properties)
- Bon Homme
(39 historic properties)
- Brookings
(41 historic properties)
- Brown
(44 historic properties)
- Brule
(6 historic properties)
- Buffalo
(6 historic properties)
- Butte
(35 historic properties)
- Campbell
(2 historic properties)
- Charles Mix
(11 historic properties)
- Clark
(9 historic properties)
- Clay
(38 historic properties)
- Codington
(44 historic properties)
- Corson
(8 historic properties)
- Custer
(46 historic properties)
- Davison
(24 historic properties)
- Day
(11 historic properties)
- Deuel
(10 historic properties)
- Dewey
(5 historic properties)
- Douglas
(8 historic properties)
- Edmunds
(12 historic properties)
- Fall River
(72 historic properties)
- Faulk
(8 historic properties)
- Grant
(15 historic properties)
- Gregory
(10 historic properties)
- Haakon
(2 historic properties)
- Hamlin
(13 historic properties)
- Hand
(6 historic properties)
- Hanson
(6 historic properties)
- Harding
(56 historic properties)
- Hughes
(41 historic properties)
- Hutchinson
(29 historic properties)
- Hyde
(3 historic properties)