List of regions of the United States
Updated: 11/4/2025, 10:10:08 PM Wikipedia source
This is a list of some of the ways regions are defined in the United States. Many regions are defined in law or regulations by the federal government; others by shared culture and history, and others by economic factors.
Tables
Census Bureau Regional Divisions · Interstate regions › Census Bureau-designated regions and divisions
Northeast
Northeast
Region
Northeast
Division
New England
States
Connecticut Maine Massachusetts New Hampshire Rhode Island Vermont
Mid-Atlantic
Mid-Atlantic
Region
Mid-Atlantic
Division
New Jersey New York Pennsylvania
Midwest
Midwest
Region
Midwest
Division
East North Central
States
Illinois Indiana Michigan Ohio Wisconsin
West North Central
West North Central
Region
West North Central
Division
Iowa Kansas Minnesota Missouri Nebraska North Dakota South Dakota
South
South
Region
South
Division
South Atlantic
States
Delaware District of Columbia Florida Georgia Maryland North Carolina South Carolina Virginia West Virginia
East South Central
East South Central
Region
East South Central
Division
Alabama Kentucky Mississippi Tennessee
West South Central
West South Central
Region
West South Central
Division
Arkansas Louisiana Oklahoma Texas
West
West
Region
West
Division
Mountain
States
Arizona Colorado Idaho Montana Nevada New Mexico Utah Wyoming
Pacific
Pacific
Region
Pacific
Division
Alaska California Hawaii Oregon Washington
| Region | Division | States |
| Northeast | New England | Connecticut Maine Massachusetts New Hampshire Rhode Island Vermont |
| Mid-Atlantic | New Jersey New York Pennsylvania | |
| Midwest | East North Central | Illinois Indiana Michigan Ohio Wisconsin |
| West North Central | Iowa Kansas Minnesota Missouri Nebraska North Dakota South Dakota | |
| South | South Atlantic | Delaware District of Columbia Florida Georgia Maryland North Carolina South Carolina Virginia West Virginia |
| East South Central | Alabama Kentucky Mississippi Tennessee | |
| West South Central | Arkansas Louisiana Oklahoma Texas | |
| West | Mountain | Arizona Colorado Idaho Montana Nevada New Mexico Utah Wyoming |
| Pacific | Alaska California Hawaii Oregon Washington |
References
- This region also includes the Independent State of Samoa, which is not a part of the United States
- This region also includes the British Virgin Islands, which is not a part of the United States
- Claimed by Tokelau
- Midway Atoll, part of the Northwest Hawaiian Islands, is not politically part of Hawaii; it is one of the United States
- Claimed by Haiti
- Claimed by the Marshall Islands
- census.govhttps://www2.census.gov/geo/pdfs/reference/GARM/Ch6GARM.pdf
- "Census Regions and Divisions of the United States"https://www2.census.gov/geo/pdfs/maps-data/maps/reference/us_regdiv.pdf
- "The National Energy Modeling System: An Overview 2003" (Report #: DOE/EIA-0581, October 2009). United States Department
- "The most widely used regional definitions and follow those of the U.S. Bureau of the Census." Seymour Sudman and Normanhttps://books.google.com/books?id=8Ay2AAAAIAAJ
- "Perhaps the most widely used regional classification system is one developed by the U.S. Census Bureau." Dale M. Lewishttps://books.google.com/books?id=oPUJAQAAMAAJ
- "[M]ost demographic and food consumption data are presented in this four-region format." Pamela Goyan Kittler, Kathryn Phttps://books.google.com/books?id=eKdbaMY5AHEC&pg=PA475
- "Census Bureau Regions and Divisions with State FIPS Codes"https://web.archive.org/web/20130921053705/http://www.census.gov/geo/maps-data/maps/pdfs/reference/us_regdiv.pdf
- "Geographic Terms and Concepts - Census Divisions and Census Regions"https://www.census.gov/geo/reference/gtc/gtc_census_divreg.html
- www.timeanddate.comhttps://www.timeanddate.com/time/us/arizona-no-dst.html
- Standard Federal Regions
- Standardized Federal Regions: Little Effect on Agency Management of Personnelhttps://www.gao.gov/products/fpcd-77-39
- 60 FR 15171https://www.federalregister.gov/citation/60-FR-15171
- Why Are Our Regional Offices and Labs Located Where They Are? A Historical Perspective on Sitinghttps://www.epa.gov/history/why-are-our-regional-offices-and-labs-located-where-they-are-historical-perspective-siting
- HUD's Regionshttps://www.hud.gov/localoffices/regions
- "BEA Regions"https://www.bea.gov/regional/docs/regions.cfm
- The World Factbook CIA World Factbook - American Samoa. Retrieved July 5, 2019.https://www.cia.gov/the-world-factbook/countries/american-samoa/