This kind of boggles my mind. Who and under what circumstances did this list need to be formulated at the federal level?!

That question may never be answered, but if you ever wondered what to call someone from Maine (Mainer), Wyoming (Wyomingite) or Utah (Utahn), now you know!

Alabamian
Alaskan
Arizonan
Arkansan
Californian
Coloradan
Connecticuter
Delawarean
Floridian
Georgian
Hawaii resident
Hoosier
(Indiana)
Idahoan
Illinoisan
Iowan
Kansan
Kentuckian
Louisianian
Mainer
Marylander
Massachusettsan
Michiganian
Minnesotan
Mississippian
Missourian
Montanan
Nebraskan
Nevadan
New Hampshirite
New Jerseyan
New Mexican
New Yorker
North Carolinian
North Dakotan
Ohioan
Oklahoman
Oregonian
Pennsylvanian
Rhode Islander
South Carolinian
South Dakotan
Tennessean
Texan
Utahn
Vermonter
Virginian
Washingtonian
West Virginian
Wisconsinite
Wyomingite

Here’s the complete Style Guide from the United States Government Publishing Office:  GPO-STYLEMANUAL-2016