North Polk Community School District Historical Median Household Income by Age Data
ACS 2010-2014 data
| | North Polk Community School District | Iowa | U.S. |
| less than 25 | $47,813, see rank | $26,242 | $25,788 |
| 25 to 44 | $92,045, see rank | $60,276 | $58,398 |
| 45 to 64 | $96,389, see rank | $65,223 | $65,027 |
| 65 or over | $39,773, see rank | $35,945 | $37,945 |
ACS 2008-2012 data
| | North Polk Community School District | Iowa | U.S. |
| less than 25 | $51,875, see rank | $26,300 | $25,955 |
| 25 to 44 | $86,314, see rank | $58,123 | $58,073 |
| 45 to 64 | $98,333, see rank | $63,349 | $64,486 |
| 65 or over | $36,838, see rank | $33,921 | $36,181 |
ACS 2006-2010 data
| | North Polk Community School District | Iowa | U.S. |
| less than 25 | $56,071, see rank | $26,000 | $26,465 |
| 25 to 44 | $87,179, see rank | $56,033 | $57,132 |
| 45 to 64 | $91,771, see rank | $61,140 | $63,398 |
| 65 or over | $35,938, see rank | $31,591 | $33,906 |
ACS 2005-2009 data
| | North Polk Community School District | Iowa | U.S. |
| less than 25 | $53,333, see rank | $25,793 | $26,365 |
| 25 to 44 | $83,676, see rank | $55,624 | $56,832 |
| 45 to 64 | $85,526, see rank | $60,598 | $63,121 |
| 65 or over | $32,554, see rank | $30,651 | $32,753 |
* 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.
