USA.com / Washington / Skamania County / Underwood, WA / 98651 / Housing / Historical Year Structure Built of Houses Data
98651 Zip Code Historical Year Structure Built of Houses Data
ACS 2010-2014 data, see rank
| 98651 Zip Code | Washington | U.S. |
| 1981 | 1980 | 1976 |
ACS 2008-2012 data, see rank
| 98651 Zip Code | Washington | U.S. |
| 1987 | 1979 | 1975 |
US Census 2000 data, see rank
| 98651 Zip Code | Washington | U.S. |
| 1974 | 1974 | 1971 |
* 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.