North Polk Community School District Historical Median Household Income by Races Data
ACS 2010-2014 data
| | North Polk Community School District | Iowa | U.S. |
| White | $83,466, see rank | $53,780 | $56,900 |
ACS 2008-2012 data
| | North Polk Community School District | Iowa | U.S. |
| White | $84,535, see rank | $52,137 | $56,203 |
| Two or More Races | $9,583, see rank | $34,137 | $46,787 |
ACS 2006-2010 data
| | North Polk Community School District | Iowa | U.S. |
| White | $79,805, see rank | $49,911 | $54,999 |
| Two or More Races | $43,750, see rank | $33,476 | $45,781 |
ACS 2005-2009 data
| | North Polk Community School District | Iowa | U.S. |
| White | $74,358, see rank | $48,881 | $54,535 |
| Two or More Races | $77,679, see rank | $33,376 | $45,012 |
* 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.
