A profile of Illinois, latest battleground in the race for the Republican presidential nomination:
Median age: 35.7
Percentage of population 65 and over: 12.5 percent
63.7 percent non-Hispanic white, 14.5 percent black, 4.6 percent Asian, 15.8 percent Hispanic or Latino origin
Language other than English spoken at home: 21.7 percent
High school graduate: 86.2 percent
Bachelor's degree or higher: 30.3 percent
Median household income: $55,735
Persons below poverty level: 12.6 percent
Homeownership rate: 69.2 percent
2008 PRESIDENTIAL RESULTS
_General: Barack Obama, 61.9 percent; John McCain, 36.8 percent
_Democratic primary: Barack Obama, 64.7 percent; Hillary Clinton, 32.8 percent; John Edwards, 1.9 percent
_Republican primary: John McCain, 47.5 percent; Mitt Romney, 28.6 percent; Mike Huckabee, 16.5 percent
VOTES CAST BY PARTY, 2008
ILLINOIS QUICK FACTS
_Illinois' Latino population grew by 32 percent between 2000 and 2010.
_Illinois has the highest high-school dropout rate in the nation.
_Two of its previous governors are now in federal prison.
_McLean County in central Illinois is the country's No. 1 producer of soybeans. North-central LaSalle County ranks first nationally in corn.
_Illinois has just under 7,000 units of local government, such as school districts, townships and cities. That's far more than any other state.