The entire song has the same chord progression. It is very simple and as follows:

B (x2444x@1)                              F#I (244322@1)got high, with Sufjan Stevens fans

A (x02220@1)              EIn (022100@1)normal Illinoise

B (x2444x@1)                                            F#And (244322@1)this song goes out, to all you beautiful

A (x02220@1)                         EAmerican (022100@1)girls and boys