Census divisions are groupings of states that are subdivisions of the four census regions. There are nine census divisions, which the U.S. Census Bureau adopted in 1910 for the presentation of data. Each census division is identified by a two-digit census code (see "State").
Northeast Region
New England Division:
Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut
Middle Atlantic Division:
New York, New Jersey, Pennsylvania
Midwest Region
East North Central Division:
Ohio, Indiana, Illinois, Michigan, Wisconsin
West North Central Division:
Minnesota, Iowa, Missouri, North Dakota, South Dakota, Nebraska, Kansas
South Region
South Atlantic Division:
Delaware, Maryland, D.C., Virginia, West Virginia, North Carolina, South Carolina, Georgia, Florida
East South Central Division:
Kentucky, Tennessee, Alabama, Mississippi
West South Central Division:
Arkansas, Louisiana, Oklahoma, Texas
West Region
Mountain Division:
Montana, Idaho, Wyoming, Colorado, New Mexico, Arizona, Utah, Nevada
Pacific Division:
Washington, Oregon, California, Alaska, Hawaii