USA.com / Illinois / Winnebago County / Shirland, IL / 61079 / Housing / Historical Year Structure Built of Houses Data
61079 Zip Code Historical Year Structure Built of Houses Data
ACS 2010-2014 data, see rank
| 61079 Zip Code | Illinois | U.S. |
| 1943 | 1967 | 1976 |
ACS 2008-2012 data, see rank
| 61079 Zip Code | Illinois | U.S. |
| 1942 | 1966 | 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.