CASPER, Wyo. - John McCain has a dominating lead over Barack Obama in new poll of Wyoming voters.

The poll showed the McCain-Sarah Palin ticket leading Obama-Joe Biden 58 percent to 32 percent in Wyoming. Eight percent of voters were undecided and, 2 percent favored other candidates.

The poll was done by Mason-Dixon Polling & Research for the Casper Star-Tribune. The pollsters surveyed 625 likely Wyoming voters last Monday and Tuesday.

The poll had a margin of error of plus or minus 4 percentage points.

The dominance of the Republican ticket mirrors Wyoming's voter registration. Wyoming had 145,267 registered Republicans, 62,954 registered Democrats and 759 registered Libertarians as of Oct. 1, according to the Wyoming secretary of state.

Voters registered as independent numbered 24,121. Forty were registered with other parties.

Palin enjoyed the poll's highest favorability ratings: 59 percent to McCain's 57 percent.

The folksy-speaking Alaska governor also had the lowest unfavorable name recognition at 29 percent. Twelve percent said their impression of Palin was neutral.

McCain's disapproval was 32 percent. Eleven percent had neutral feelings about McCain.

Obama's favorability rating in Wyoming was 37 percent. Forty-eight percent of voters had an unfavorable view of Obama and 15 percent were neutral.

Biden's favorability in Wyoming was 38 percent - equal to the number who viewed Biden unfavorably. Twenty-three percent said they had neutral feelings about Biden.

The results didn't surprise Mason-Dixon pollster Brad Coker.

"Palin is very popular with Republican voters," Coker said. "Her appeal was to the conservative base of the party."