USA.com / Montana / Cascade County / Great Falls, MT / 59401 / Housing / Historical Year Structure Built of Houses Data
59401 Zip Code Historical Year Structure Built of Houses Data
ACS 2010-2014 data, see rank
| 59401 Zip Code | Montana | U.S. |
| 1945 | 1976 | 1976 |
ACS 2008-2012 data, see rank
| 59401 Zip Code | Montana | U.S. |
| 1943 | 1975 | 1975 |
US Census 2000 data, see rank
| 59401 Zip Code | Montana | U.S. |
| 1941 | 1971 | 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.