| United States | North Dakota | Mercer County | ||
|---|---|---|---|---|
| Total owner occupied | 2009 | 75320422 | 179318 | 2966 |
| 2015 | 74712091 | 192185 | 3049 | |
| % change | -0.8 | 7.2 | 2.8 | |
| Below 35 years age group | 2009 | 9171992 | 26680 | 460 |
| 2015 | 7433016 | 30931 | 375 | |
| % change | -19.0 | 15.9 | -18.5 | |
| 35 to 44 years age group | 2009 | 14800672 | 31553 | 536 |
| 2015 | 12174546 | 30426 | 416 | |
| % change | -17.7 | -3.6 | -22.4 | |
| 45 to 59 years age group | 2009 | 26106981 | 62092 | 1185 |
| 2015 | 25425668 | 61775 | 1183 | |
| % change | -2.6 | -0.5 | -0.2 | |
| Above 60 years age group | 2009 | 25240777 | 58993 | 785 |
| 2015 | 29678861 | 69053 | 1075 | |
| % change | 17.6 | 17.1 | 36.9 |
Source: Gavop.com and Census Bureau