USA.com / California / Contra Costa County / Antioch, CA / 94531 / Housing / Historical Year Structure Built of Houses Data
94531 Zip Code Historical Year Structure Built of Houses Data
ACS 2010-2014 data, see rank
| 94531 Zip Code | California | U.S. |
| 1997 | 1974 | 1976 |
ACS 2008-2012 data, see rank
| 94531 Zip Code | California | U.S. |
| 1996 | 1973 | 1975 |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.