The Most Similar States to the Great Plains Region

1. Nebraska, 2. South Dakota, 3. Iowa, 4. Kansas, 5. North Dakota

The Most Similar States to the BosWash Region

1. Connecticut, 2. New Jersey, 3. Massachusetts, 4. Rhode Island, 5. Maryland

The Most Similar States to the Northeast

1. Connecticut, 2. Massachusetts, 3. Rhode Island, 4. New Jersey, 5. New York