| United States | California | Contra Costa County | ||
|---|---|---|---|---|
| Total owner occupied | 2009 | 75320422 | 7061432 | 257566 |
| 2015 | 74712091 | 6909176 | 248668 | |
| % change | -0.8 | -2.2 | -3.5 | |
| Below 35 years age group | 2009 | 9171992 | 708643 | 23433 |
| 2015 | 7433016 | 560967 | 17935 | |
| % change | -19.0 | -20.8 | -23.5 | |
| 35 to 44 years age group | 2009 | 14800672 | 1445262 | 54835 |
| 2015 | 12174546 | 1118670 | 39900 | |
| % change | -17.7 | -22.6 | -27.2 | |
| 45 to 59 years age group | 2009 | 26106981 | 2555259 | 96312 |
| 2015 | 25425668 | 2448462 | 91993 | |
| % change | -2.6 | -4.2 | -4.5 | |
| Above 60 years age group | 2009 | 25240777 | 2352268 | 82986 |
| 2015 | 29678861 | 2781077 | 98840 | |
| % change | 17.6 | 18.2 | 19.1 |
Source: Gavop.com and Census Bureau