When filing, I live in Wisconsin, work in Illinois for all of 2016. I want to know why I am having to pay over $4,000 to the state of Wisconsin?

[evandezande3]

WI and IL have reciprocity.  You should be paying WI tax, since that is where  you live.  You are exempt from taxation in IL.  See this link.
https://ttlc.intuit.com/questions/3014152-does-the-reciprocal-state-agreement-between-wi-and-il-keep...