The Most Similar States to Idaho

1. Wyoming, 2. Montana, 3. Utah, 4. Oregon, 5. South Dakota

The Most Similar States to Hawaii

1. California, 2. Washington, 3. Oregon, 4. Maryland, 5. New Jersey

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

1. Georgia, 2. South Carolina, 3. North Carolina, 4. Alabama, 5. Louisiana

1. Maryland, 2. New Jersey, 3. Pennsylvania, 4. Virginia, 5. Connecticut

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

1. Montana, 2. Washington, 3. Oregon, 4. Wyoming, 5. New Mexico

1. Washington, 2. Oregon, 3. Nevada, 4. Arizona, 5. New Mexico

Most unique states, based off of the State Similarity Index