USA.com / Iowa / Keokuk County / Harper, IA / 52231 / Income and Careers / Historical Median Household Income by Races Data
52231 Zip Code Historical Median Household Income by Races Data
ACS 2010-2014 data
| 52231 Zip Code | Iowa | U.S. | |
| White | $65,536, see rank | $53,780 | $56,900 |
ACS 2008-2012 data
| 52231 Zip Code | Iowa | U.S. | |
| White | $39,875, see rank | $52,137 | $56,203 |
US Census 2000 data
| 52231 Zip Code | Iowa | U.S. | |
| White | $42,250, see rank | $39,923 | $44,687 |
* 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.