“The folks at Gallup posit that maybe it has something to do with all the scandals and investigations that have created basically no trust in the state government or the way residents think the state’s taxes are too high.”

http://www.washingtonpost.com/news/post-nation/wp/2014/04/24/illinois-is-the-worst-place-to-live-say-people-who-live-in-illinois/?Post generic=?tid=sm_twitter_washingtonpost