The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
| Name | County | Housing Affordability Index | |
|---|---|---|---|
| 1. | Antelope Census Designated Place | Todd | 350 |
| 2. | Ashland Heights Census Designated Place | Pennington | 350 |
| 3. | City of Bowdle | Edmunds | 350 |
| 4. | City of Bristol | Day | 350 |
| 5. | City of Colome | Tripp | 350 |
| 6. | City of Columbia | Brown | 350 |
| 7. | City of Corsica | Douglas | 350 |
| 8. | City of Eagle Butte | Dewey | 350 |
| 9. | Town of Gayville | Yankton | 350 |
| 10. | City of Hosmer | Edmunds | 350 |
| 11. | City of Howard | Miner | 350 |
| 12. | City of Kadoka | Jackson | 350 |
| 13. | Kyle Census Designated Place | Oglala Lakota | 350 |
| 14. | City of Lake Andes | Charles Mix | 350 |
| 15. | City of Leola | McPherson | 350 |
| 16. | City of McIntosh | Corson | 350 |
| 17. | City of Mellette | Spink | 350 |
| 18. | City of Mission | Todd | 350 |
| 19. | Town of Mission Hill | Yankton | 350 |
| 20. | Town of Pierpont | Day | 350 |
