If that is the case, then this would be surprising.
http://www.fedsmith.com/article/344/
Their Sept 2004 poll results (only one I could find) were similar:
“...51% say they are voting for George W. Bush. 43% are voting for John Kerry. 1% are voting for Ralph Nader and 4% are undecided.
Last May, when we asked the same question, 49% of readers went for Kerry and 41% said they were voting for Bush. ..”
It’s still good news... but literate gov workers might be an exception.