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

1. Colorado, 2. Oregon, 3. Idaho, 4. Arizona, 5. Montana

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

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

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

A table of the most similar states and potential hybridizations based on the State Similarity Index.

The 6 macro-regions and their most average states

The United States is divided into 6 regions, but some states share traits with multiple regions, such as Pennsylvania and Missouri.