The Most Similar States to the Southwest Region

1. Arizona, 2. Nevada, 3. New Mexico, 4. Colorado, 5. California

The Most Similar States to the Great Lakes Region

1. Ohio, 2. Michigan, 3. Wisconsin, 4. Illinois, 5. Indiana

The Most Similar States to the Midwest

1. Wisconsin, 2. Iowa, 3. Ohio, 4. Minnesota, 5. Indiana