The Most Similar States to the Rocky Mountain Region

1. Wyoming, 2. Idaho, 3. Montana, 4. Colorado, 5. Utah

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 Southeast Region

1. Alabama, 2. Tennessee, 3. South Carolina, 4. North Carolina, 5. Kentucky

The Most Similar States to the North New England Region

1. Maine, 2. New Hampshire, 3. Vermont, 4. Connecticut, 5. Massachusetts