Yeah, Pete's a working class New Yawk schoolteacher. That says Democrat to me (though I am biased).
'Course, there's nothing stopping us Democrats from pointing and laughing at other Democrats. I'm personally fond of Vice President Joe "Gaffe Machine" Biden for that pastime. Come to think of it, Democratic veeps tend to be pretty LOLworthy.
Now, that said, if Steve Ditko were still working on Spidey, he'd be a Libertarian.