The United States Census Bureau defines four statistical regions, with nine divisions. The Census Bureau regions are widely used for data collection and analysis, and are widely accepted. They are as follows:
Northeast - New England: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont
- Mid-Atlantic: New Jersey, New York, and Pennsylvania
Midwest - East North Central: Illinois, Indiana, Michigan, Ohio, and Wisconsin
- West North Central: Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, and South Dakota
South - South Atlantic: Delaware, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, Washington, D.C., and West Virginia
- East South Central: Alabama, Kentucky, Mississippi, and Tennessee
- West South Central: Arkansas, Louisiana, Oklahoma, and Texas
West - Mountain: Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming
- Pacific: Alaska, California, Hawaii, Oregon, and Washington
Area and Populations
| Region | Area (square miles) | Population | | New England | 71,991 | 14,680,722 | | Mid-Atlantic | 191,308 | 57,303,316 | | East North Central | 299,170 | 46,421,564 | | West North Central | 507,913 | 20,505,437 | | South Atlantic | 292,589 | 61,774,970 | | East South Central | 183,041 | 18,022,810 | | West South Central | 443,501 | 37,849,985 | | Mountain | 863,618 | 22,065,451 | | Pacific | 1,007,638 | 51,990,562 |
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