According to the US. Government Printing Office Style Manual, native adjectives are as follows (alternates are in parentheses):

1. Alabamian (Alabaman)
2. Arkansan (Arkansian)
3. Californian
4. Coloradan (Coloradoan)
5. Connecticuter
6. Floridian (Floridan)
7. Illinoisan (Illinoisian, Illinoian)
8. Indianian (Indianan)
9. Marylander
10. Massachusettsan (Bay Stater, Massachusite)
11. Michiganite (Michigander, Michiganian)
12. New Hampshirite (New Hampshireman)
13. Utahan (Utahn)
14. Vermonter
15, Wyomingite