| United States | South Dakota | Marshall County | ||
|---|---|---|---|---|
| Total owner occupied | 2009 | 75320422 | 215715 | 1322 |
| 2015 | 74712091 | 225219 | 1274 | |
| % change | -0.8 | 4.4 | -3.6 | |
| Below 35 years age group | 2009 | 9171992 | 31136 | 111 |
| 2015 | 7433016 | 31581 | 111 | |
| % change | -19.0 | 1.4 | 0.0 | |
| 35 to 44 years age group | 2009 | 14800672 | 38908 | 218 |
| 2015 | 12174546 | 36151 | 163 | |
| % change | -17.7 | -7.1 | -25.2 | |
| 45 to 59 years age group | 2009 | 26106981 | 75088 | 444 |
| 2015 | 25425668 | 74125 | 442 | |
| % change | -2.6 | -1.3 | -0.5 | |
| Above 60 years age group | 2009 | 25240777 | 70583 | 549 |
| 2015 | 29678861 | 83362 | 558 | |
| % change | 17.6 | 18.1 | 1.6 |
Source: Gavop.com and Census Bureau