USA.com / Minnesota / Polk County / East Grand Forks, MN / 56721 / Income and Careers / Historical Median Individual Worker Income Data
56721 Zip Code Historical Median Individual Worker Income Data
ACS 2010-2014 data
| 56721 Zip Code | 32,978 USD |
| Minnesota | 33,277 USD |
| U.S. | 30,815 USD |
ACS 2008-2012 data
| 56721 Zip Code | 30,625 USD |
| Minnesota | 32,134 USD |
| U.S. | 30,376 USD |
US Census 2000 data
| 56721 Zip Code | 28,333 USD |
| Minnesota | 34,353 USD |
| U.S. | 32,098 USD |
* 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.