Regions:

West:

• Mountain (Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming)
• Pacific (Alaska, California, Hawaii, Oregon, Washington)

Midwest:

• East North Central (Illinois, Indiana, Ohio, Michigan, Wisconsin)
• West North Central (Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota)

South:

• East South Central (Alabama, Kentucky, Mississippi, Tennessee)
• South Atlantic (Delaware, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, Washington, D.C., West Virginia)
• West South Central (Arkansas, Louisiana, Oklahoma, Texas)

Northeast:

• Middle Atlantic (New Jersey, New York, Pennsylvania)
• New England (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont)