Missouri Poll Released by Mason Dixon: Barack Obama 46%, John McCain 47%

Missouri Poll: John McCain 47%, Barack Obama 46%.

Colorado Poll Released by Mason Dixon for Denver Post: Barack Obama 49%, John McCain 44%

Colorado Poll: John McCain 44%, Barack Obama 49%.

Kentucky Poll Released by Mason Dixon: Barack Obama 42%, John McCain 51%

Kentucky Poll: John McCain 51%, Barack Obama 42%.

Iowa Poll Released by Des Moines Register: Barack Obama 54%, John McCain 37%, Bob Barr 1%

Iowa Poll: John McCain 37%, Barack Obama 54%.

Nevada Poll Released by Mason Dixon for LVRJ: Barack Obama 47%, John McCain 43%

Nevada Poll: John McCain 43%, Barack Obama 47%.

Maine Poll Released by Rasmussen Reports: Barack Obama 56%, John McCain 43%

Maine Poll: John McCain 43%, Barack Obama 56%.

California Poll Released by Survey USA: Barack Obama 50%, John McCain 36%

California Poll: John McCain 36%, Barack Obama 50%.

Florida Poll Released by Datamar: Barack Obama 47%, John McCain 47%

Florida Poll: John McCain 47%, Barack Obama 47%.

Florida Poll Released by Mason Dixon: Barack Obama 49%, John McCain 47%

Florida Poll: John McCain 47%, Barack Obama 49%.

Florida Poll Released by American Research Group: Barack Obama 50%, John McCain 46%

Florida Poll: John McCain 46%, Barack Obama 50%.

Pennsylvania Poll Released by American Research Group: Barack Obama 51%, John McCain 45%

Pennsylvania Poll: John McCain 45%, Barack Obama 51%.

Pennsylvania Poll Released by Rasmussen Reports: Barack Obama 51%, John McCain 47%

Pennsylvania Poll: John McCain 47%, Barack Obama 51%.

Ohio Poll Released by Ohio University: Barack Obama 57%, John McCain 41%

Ohio Poll: John McCain 41%, Barack Obama 57%.

New Jersey Poll Released by Monmouth Gannett: Barack Obama 55%, John McCain 34%

New Jersey Poll: John McCain 34%, Barack Obama 55%.

Indiana Poll Released by American Research Group: Barack Obama 48%, John McCain 48%

Indiana Poll: John McCain 48%, Barack Obama 48%.

Washington Poll Released by University of Washington Poll: Barack Obama 51%, John McCain 39%

Washington Poll: John McCain 39%, Barack Obama 51%.

Wisconsin Poll Released by University of Wisconsin: Barack Obama 52%, John McCain 42%

Wisconsin Poll: John McCain 42%, Barack Obama 52%.

Iowa Poll Released by Research 2000 for KCCI: Barack Obama 53%, John McCain 39%

Iowa Poll: John McCain 39%, Barack Obama 53%.

Oregon Poll Released by Rasmussen Reports: Barack Obama 54%, John McCain 42%

Oregon Poll: John McCain 42%, Barack Obama 54%.

Arkansas Poll Released by American Research Group: Barack Obama 44%, John McCain 51%

Arkansas Poll: John McCain 51%, Barack Obama 44%.