The Illinois governorship is considered one of the nation's four toss-up races in November by Larry J. Sabato, a university professor of politics at the University of Virginia Center for Politics. A piece in Politico describes Illinois' political climate:
The second Democratic concern is Gov. Pat Quinn of Illinois, who squeaked out a full term in 2010, having earlier succeeded the now-incarcerated Gov. Rod Blagojevich (D) in mid-term. Even though the Land of Lincoln is deep blue, Quinn is deeply vulnerable for many reasons, including recent allegations that an anti-violence initiative he started in 2010 is being investigated for possibly being a “political slush fund.” The GOP apparently chose wisely in its primary by selecting wealthy businessman Bruce Rauner, who is trying to position himself as the sort of outsider and moderate Republican that the state elected governor in the 1970s through the 1990s.
Just as with the endangered Republicans, none of these Democrats is automatically fated to lose. If Democrats can mobilize their large party base in Illinois and Connecticut, for instance, that alone would save Quinn and Malloy. At this point, though, the Democrats are in slightly better shape to protect their incumbents in this category than the Republicans are to protect theirs.
Read more at Politico.com