| United States | Massachusetts | Middlesex County | ||
|---|---|---|---|---|
| Total owner occupied | 2009 | 75320422 | 1601780 | 363558 |
| 2015 | 74712091 | 1583667 | 365501 | |
| % change | -0.8 | -1.1 | 0.5 | |
| Below 35 years age group | 2009 | 9171992 | 148364 | 33287 |
| 2015 | 7433016 | 125597 | 28747 | |
| % change | -19.0 | -15.3 | -13.6 | |
| 35 to 44 years age group | 2009 | 14800672 | 337359 | 78855 |
| 2015 | 12174546 | 262247 | 64656 | |
| % change | -17.7 | -22.3 | -18.0 | |
| 45 to 59 years age group | 2009 | 26106981 | 592232 | 134192 |
| 2015 | 25425668 | 583419 | 136360 | |
| % change | -2.6 | -1.5 | 1.6 | |
| Above 60 years age group | 2009 | 25240777 | 523825 | 117224 |
| 2015 | 29678861 | 612404 | 135738 | |
| % change | 17.6 | 16.9 | 15.8 |
Source: Gavop.com and Census Bureau