Census division

  Any of nine geographic areas of the United States as defined by the U.S. Department of Commerce, Bureau of the Census. The divisions, each consisting of several States, are defined as follows:

  New England: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont;

  Middle Atlantic: New Jersey, New York, and Pennsylvania;

  East North Central: Illinois, Indiana, Michigan, Ohio, and Wisconsin;

  West North Central: Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, and South Dakota;

  South Atlantic: Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, and West Virginia;

  East South Central: Alabama, Kentucky, Mississippi, and Tennessee;

  West South Central: Arkansas, Louisiana, Oklahoma, and Texas;

  Mountain: Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming;

  Pacific: Alaska, California, Hawaii, Oregon, and Washington.

  Note: Each division is a sub-area within a broader Census Region. For the relationship between Regions and divisions, see Census Region/division. In some cases, the Pacific division is subdivided into the Pacific Contiguous area (California, Oregon, and Washington)and the Pacific Noncontiguous area (Alaska and Hawaii).

  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary