She previously had astronomically higher approvals because people hated the "other guys" so much. Now that she has revealed more of her embarrassing self, Alaskans are coming out against her.
Reported in the Anchorage Daily News:

Oct 10
"the same poll places Gov. Sarah Palin's approval rating in Alaska at about 62 percent. That's based on a survey of 500 likely Alaska voters.

Anchorage pollster Ivan Moore released new results this week too, including similar approval numbers for Palin, which he says are slowly falling.

Her positive-to-negative numbers dropped 3 percentage points in the past two weeks, to 65 percent favorable and 30 percent unfavorable, Moore wrote.

That's compared with 68-27 in late September and 82-13 just after McCain chose her as his running mate. "