Johnson County Historical Median Individual Worker Income Data
ACS 2010-2014 data
| Johnson County | 24,813 USD |
| Illinois | 32,198 USD |
| U.S. | 30,815 USD |
ACS 2008-2012 data
| Johnson County | 25,609 USD |
| Illinois | 31,643 USD |
| U.S. | 30,376 USD |
ACS 2006-2010 data
| Johnson County | 22,572 USD |
| Illinois | 31,179 USD |
| U.S. | 29,701 USD |
ACS 2005-2009 data
| Johnson County | 24,188 USD |
| Illinois | 30,712 USD |
| U.S. | 29,050 USD |
US Census 2000 data
| Johnson County | 27,746 USD |
| Illinois | 35,565 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.
