Williamsville Community Unit School District 15 Historical Family Income Data
ACS 2010-2014 data
Median Family Income, see rank| Williamsville Community Unit School District 15 | 102,591 USD |
| Illinois | 70,967 USD |
| U.S. | 65,443 USD |
Mean Family Income, see rank| Williamsville Community Unit School District 15 | 113,180 USD |
| Illinois | 92,664 USD |
| U.S. | 86,963 USD |
ACS 2008-2012 data
Median Family Income, see rank| Williamsville Community Unit School District 15 | 95,750 USD |
| Illinois | 70,144 USD |
| U.S. | 64,585 USD |
Mean Family Income, see rank| Williamsville Community Unit School District 15 | 105,062 USD |
| Illinois | 90,809 USD |
| U.S. | 85,065 USD |
ACS 2006-2010 data
Median Family Income, see rank| Williamsville Community Unit School District 15 | 81,778 USD |
| Illinois | 68,236 USD |
| U.S. | 62,982 USD |
Mean Family Income, see rank| Williamsville Community Unit School District 15 | 90,409 USD |
| Illinois | 88,178 USD |
| U.S. | 82,446 USD |
ACS 2005-2009 data
Median Family Income, see rank| Williamsville Community Unit School District 15 | 75,208 USD |
| Illinois | 67,660 USD |
| U.S. | 62,363 USD |
Mean Family Income, see rank| Williamsville Community Unit School District 15 | 82,975 USD |
| Illinois | 87,422 USD |
| U.S. | 81,537 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.
