The South is made up of 16 states and the District of Columbia: Map of the four regions of the United States and the states that make up those regions

State Region code
Alabama South 1
Alaska West 2
Arizona West 2
Arkansas South 1
California West 2
Colorado West 2
Connecticut Northeast 3
Delaware South 1
Washington D.C. South 1
Florida South 1
Georgia South 1
Hawaii West 2
Idaho West 2
Illinois Midwest 4
Indiana Midwest 4
Iowa Midwest 4
Kansas Midwest 4
Kentucky South 1
Louisiana South 1
Maine Northeast 3
Maryland South 1
Massachusetts Northeast 3
Michigan Midwest 4
Minnesota Midwest 4
Mississippi South 1
Missouri Midwest 4
Montana West 2
Nebraska Midwest 4
Nevada West 2
New Hampshire Northeast 3
New Jersey Northeast 3
New Mexico West 2
New York Northeast 3
North Carolina South 1
North Dakota Midwest 4
Ohio Midwest 4
Oklahoma South 1
Oregon West 2
Pennsylvania Northeast 3
Rhode Island Northeast 3
South Carolina South 1
South Dakota Midwest 4
Tennessee South 1
Texas South 1
Utah West 2
Vermont Northeast 3
Virginia South 1
Washington West 2
West Virginia South 1
Wisconsin Midwest 4
Wyoming West 2

Source: EPI analysis of U.S. Census Bureau 2021.

View the underlying data on epi.org.