|Popular Vote||Electoral Vote|
|Barack H. Obama||Joseph R. Biden, Jr.||Democratic
|John S. McCain, III||Sarah Palin||Republican
|Ralph Nader||Matt Gonzalez||Independent
|Bob Barr||Wayne A. Root||Libertarian
|Other (+)|| - || -
- Results include 204 Votes added for Nader in Winnebago County per Rockford City Elections (Statewide Canvass included write-ins in Rockford City for Nader (182) instead of Nader Votes (386).
- Official Results do not count any write-in votes for candidates that did not register for qualified write-in status. Officially registered write-in votes as follows: Frank Moore: 3, Donald Allen: 3, Ronald Hobbs: 4 The write-ins votes listed here were collected from each county official report (incomplete data).
|2010 Population:||12,830,632||Enum.||2010 Population Density:||89.1||persons/km2|
|2008 Population:||12,747,038||Est.||2008 Population Density:||88.5||persons/km2|
|2000 Population:||12,419,293||Enum.||2000 Population Density:||86.3||persons/km2|
|Total Electoral Vote:||21||Electoral Vote Density:||607,002||persons/EV|
|Land Area (2000):||143,961||km2||Annual Pop Growth Rate:||0.3||%|
|Election Data and Statistics:|
- Source for Popular Vote data: Illinois State Board of Elections. Ballots Cast General Election - 11/4/2008 President and Vice President, Illinois State Board of Elections (
) (accessed 01 Dec 2008)
- Source for Population data: U.S. Census Bureau.
|Results for and Individual County:|
|The 2008 Campaign: