| Unique State Attribute | State name | Additional information |
| ...uses a unicameral (single-house) legislature? | |
| ...entered the U.S. via treaty, and not territorial annexation? | |
| ...uses French in its state motto? | |
| ...delivers mail by mule? | |
| ...has no official nickname? | |
| ...has designated an official 'State Christmas Tree' and 'State Carnivorous Plant?' | |
| ...is made up of counties that are all listed as metropolitan areas? | |
| ...changes the pronunciation of a river as it flows through its state? | |
| ...banned gay marriage twice? | |
| ...has the only state flag with a historical figure on it? | |
| ...cast more votes for Ross Perot than Bill Clinton in 1992? | |
| ..., of the current 48 states during WWII, did not have a battleship named after it? | |
| ...uses a legal system not based on English common law? | |
| ...has an official name made up of seven words? | |
| ...has a fjord, but is not on the Pacific? | |
| ...has both east and west borders made up by rivers? | |
| ...has two federal reserve banks? | |
| ...has one monument honoring both union and confederate armies? | |
| ...gained its sovereignty by proclamation of the President of the U.S.? | |
| ...had a Miss America contestant win the title twice? | |
| ...owns and operates its fleet of school buses? | |
| ...with active oil rigs in its state's capitol grounds? | |
| ...has appellate judges who wear red robes? | |
| ...does not have commerical air service? | |
| ...had land occupied by foreign troops during WWII? | |