List of regions of the United States

This is a list of some of the regions 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.

Interstate regions

Census Bureau-designated regions and divisions
U.S. Census Bureau Regions and Divisions.

Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions.[1][2] The Census Bureau region definition is "widely used ... for data collection and analysis",[3] and is the most commonly used classification system.[4][5][6][7]

Puerto Rico and other US territories are not part of any census region or census division.[9]

Standard Federal Regions
Standard federal regions

The ten standard federal regions were established by OMB (Office of Management and Budget) Circular A-105, "Standard Federal Regions", in April 1974, and required for all executive agencies. In recent years, some agencies have tailored their field structures to meet program needs and facilitate interaction with local, state, and regional counterparts. However, the OMB must still approve any departures.

  • Region I: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
  • Region II: New Jersey, New York, Puerto Rico, US Virgin Islands
  • Region III: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia
  • Region IV: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee
  • Region V: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin
  • Region VI: Arkansas, Louisiana, New Mexico, Oklahoma, Texas
  • Region VII: Iowa, Kansas, Missouri, Nebraska
  • Region VIII: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming
  • Region IX: Arizona, California, Hawaii, Nevada, American Samoa, Guam, Northern Mariana Islands
  • Region X: Alaska, Idaho, Oregon, Washington

Note: OMB Circular A-105 was rescinded on June 8, 1995. [10]

Federal Reserve Banks
Federal Reserve districts.

The Federal Reserve Act of 1913 divided the country into twelve districts with a central Federal Reserve Bank in each district. These twelve Federal Reserve Banks together form a major part of the Federal Reserve System, the central banking system of the United States. Missouri is the only U.S. state to have two Federal Reserve locations within its borders, as some states are divided into more than one district.

  1. Boston
  2. New York
  3. Philadelphia
  4. Cleveland
  5. Richmond
  6. Atlanta
  7. Chicago
  8. St. Louis
  9. Minneapolis
  10. Kansas City
  11. Dallas
  12. San Francisco

Time zones
Main article: Time in the United States
U.S. time zones. (Some U.S. time zones are not on this map.)

Courts of Appeals circuits
Main article: United States courts of appeals
U.S. Courts of Appeals circuits

The Federal Circuit is not a regional circuit. Its jurisdiction is nationwide but based on the subject matter.

Bureau of Economic Analysis regions
Bureau of Economic Analysis regions

The Bureau of Economic Analysis defines regions for comparison of economic data.[12]

Energy Information Administration

The Energy Information Administration currently uses the PADD system established by Petroleum Administration for War in World War II.[13] It is used for data collection on refining petroleum and its products. Each PADD is subdivided into refining districts.

  • PADD I: East Coast
    • East Coast: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New Jersey, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida; along with counties in New York east of, north of and including Cayuga, Tompkins, and Chemung; and counties in Pennsylvania east of and including Bradford, Sullivan, Columbia, Montour, Northumberland, Dauphin and York.
    • Appalachian No. 1: West Virginia along with counties of Pennsylvania and New York State not mentioned above.
  • PADD II: Midwest
    • Indiana-Illinois-Kentucky: Indiana, Illinois, Kentucky, Tennessee, Michigan, Ohio
    • Minnesota-Wisconsin-North and South Dakota: Minnesota, Wisconsin, North Dakota, South Dakota
    • Oklahoma-Kansas-Missouri: Oklahoma, Kansas, Missouri, Nebraska, Iowa
  • PADD III: Gulf Coast
    • Texas Gulf Coast: The Texan counties of Newton, Orange, Jefferson, Jasper, Tyler, Hardin, Liberty, Chambers, Polk, San Jacinto, Montgomery, Harris, Galveston, Waller, Fort Bend, Brazoria, Wharton, Matagorda, Jackson, Victoria, Calhoun, Refugio, Aransas, San Patricio, Nueces, Kleberg, Kenedy, Willacy and Cameron
    • Texas Inland: Texan counties not mentioned above.
    • Louisiana Gulf Coast: Parishes of Louisiana south of, and including Vernon, Rapides, Avoyelles, Pointe Coupee, West Feliciana, East Feliciana, Saint Helena, Tangipahoa and Washington; along with Pearl River, Stone, George, Hancock, Harrison, and Jackson County of Mississippi; and Alabama's Mobile and Baldwin County.
    • North Louisiana-Arkansas: Arkansas and parts of Louisiana, Mississippi and Alabama not mentioned above.
    • New Mexico: New Mexico
  • PADD IV: Rocky Mountain: Colorado, Montana, Idaho, Wyoming, Utah
  • PADD V: West Coast: Washington, Oregon, California, Nevada, Arizona, Alaska, Hawaii[14]

PADD I can also be subdivided into 3 Subdistricts:

  • Sub-PAD 1A: New England (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont)
  • Sub-PAD 1B: Central Atlantic (Delaware, Maryland, New Jersey, New York, Pennsylvania, District of Columbia)
  • Sub-PAD 1C: Lower Atlantic (Florida, Georgia, North Carolina, South Carolina, Virginia, West Virginia)[15]
US map of the five ARS regions (USDA)

Agricultural Research Service

The Agricultural Research Service (ARS) is the research arm of the USDA. The ARS has sectioned their work into five geographic regions:

  • Midwest Area
  • Northeast Area
  • Pacific West Area
  • Plains Area
  • Southeast Area

U.S. National Park Service

The U.S. National Park Service divides the U.S. into the following regions for U.S. National Park purposes:[16][17]

  • Northeast region (Connecticut, Delaware, most of Maryland, Massachusetts, Maine, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, most of Virginia, most of West Virginia)
  • National Capital region (District of Columbia, some of Maryland, some of Virginia, some of West Virginia)
  • Southeast region (Alabama, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Puerto Rico, U.S. Virgin Islands)
  • Midwest region (Arkansas, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin)
  • Intermountain region (Arizona, Colorado, Montana, New Mexico, Oklahoma, Texas, Utah, Wyoming)
  • Pacific region (California, Hawaii, Idaho, Nevada, Oregon, Washington, American Samoa, Guam, Northern Mariana Islands)
  • Alaska region (Alaska)

The U.S. Minor Outlying Islands are not part of any U.S. National Park Service region.

Unofficial multi-state and multi-territory regions

There are also multi-territory regions:

The Belts
For a more comprehensive list, see List of belt regions of the United States.

Interstate metropolitan areas
See also: Tri-state area

Interstate megalopolises
See also: Megaregions of the United States
Further information: Megalopolis

Intrastate and intraterritory regions
A map of Alabama regions.

Alabama

Alaska
The Alaska Panhandle

American Samoa
American Samoa

Arizona
For a more comprehensive list, see List of regions of Arizona.
The Arizona Strip

Arkansas

California
For a more comprehensive list, see List of regions of California.

Colorado
An enlargeable map of the Front Range Urban Corridor of Colorado and Wyoming

Connecticut
The Greater Bridgeport Region in relation to other unofficial Connecticut regions.
The Connecticut Panhandle and "The Oblong"

Connecticut has no official regions. After abolishing county governments, all local governing is done by towns and cities, leaving counties as purely geographical and statistical entities. Some unofficial regions of Connecticut include:

Delaware

"Upstate" or "Up North"

"Slower Lower"

District of Columbia
Main article: Neighborhoods in Washington, D.C.

Florida
The First Coast
The Florida Panhandle

Directional regions

Local vernacular regions

Georgia

Physiographic regions

Guam

Hawaiʻi
Hawaiian archipelago
Main Hawaiian Islands

Idaho
The Idaho Panhandle

Illinois
Southern Illinois is also known as "Little Egypt".
Regions of Indiana

Indiana
Main article: Geography of Indiana

Iowa
Regions of Iowa.

Kansas

Kentucky

Louisiana
A map of Louisiana's regions

Maine

Maryland
Maryland's regions

Regions shared with other states:

Massachusetts
The Berkshire region of Massachusetts

Michigan
Main article: Geography of Michigan
Michigan's regions

Lower Peninsula
Main article: Lower Peninsula of Michigan

Upper Peninsula
Main article: Upper Peninsula of Michigan

Minnesota
Regions of Minnesota
Main article: Geography of Minnesota

Mississippi
The Missouri Bootheel

Missouri

Montana

Nebraska
The Nebraska Panhandle

Nevada

New Hampshire

New Jersey

New Mexico

New York
Regions of New York as defined by the New York State Department of Economic Development.
1. Western New York – counties : Niagara, Erie, Chautauqua, Cattaraugus, Allegany
2. Finger Lakes – counties : Orleans, Genesee, Wyoming, Monroe, Livingston, Wayne, Ontario, Yates, Seneca
3. Southern Tier – counties : Steuben, Schuyler, Chemung, Tompkins, Tioga, Chenango, Broome, Delaware
4. Central New York – counties : Cortland, Cayuga, Onondaga, Oswego, Madison
5. North Country – counties : St. Lawrence, Lewis, Jefferson, Hamilton, Essex, Clinton, Franklin
6. Mohawk Valley – counties : Oneida, Herkimer, Fulton, Montgomery, Otsego, Schoharie
7. Capital District – counties : Albany, Columbia, Greene, Warren, Washington, Saratoga, Schenectady, Rensselaer
8. Hudson Valley – counties : Sullivan, Ulster, Dutchess, Orange, Putnam, Rockland, Westchester
9. New York City – counties (boroughs) : New York (Manhattan), Bronx (The Bronx), Queens (Queens), Kings (Brooklyn), Richmond (Staten Island)
10. Long Island – counties : Nassau, Suffolk

North Carolina
Regions of North Carolina.

North Dakota

Northern Mariana Islands
Northern Mariana Islands

Ohio
  The area roughly covered by the Great Black Swamp

Oklahoma
The Oklahoma Panhandle

Oregon
Main article: List of regions of Oregon
Oregon's topography
Oregon's High Desert

Pennsylvania

Puerto Rico
Puerto Rico

Rhode Island

South Carolina

South Dakota
South Dakota
East River and West River

Tennessee
Main article: Grand Divisions of Tennessee

Texas
Main article: List of geographical regions in Texas
The Texas Panhandle
The United States Minor Outlying Islands (Navassa Island not on map)

U.S. Minor Outlying Islands

Utah

Vermont

Virginia
A map of the Shenandoah Valley

Washington

West Virginia
Wisconsin's five geographic regions

Wisconsin

Wisconsin can be divided into five geographic regions.

Wyoming
Boy Scouts of America regions in 1992

Other regional listings

Regions of the Boy Scouts of America

5 Geographic Regions
5 Regions of the United States
  Northeast Region
  Southeast Region
  Midwest Region
  Southwest Region
  West Region

A common but unofficial way of referring to regions in the United States is grouping them into 5 regions according to their geographic position on the continent. They are the Northeast, Southeast, Midwest, Southwest, and West.[19][20][21]

See also

Notes
    1. This region also includes the Independent State of Samoa, which is not a part of the United States
    2. This region also includes the British Virgin Islands, which is not a part of the United States
    3. Claimed by Tokelau[18]
    4. Midway Atoll, part of the Northwest Hawaiian Islands, is not politically part of Hawaii; it is one of the United States Minor Outlying Islands
    5. Claimed by Haiti
    6. Claimed by the Marshall Islands

    References
    1. "Statistical Groupings of States and Counties" (PDF). census.gov. United States Census Bureau. Retrieved December 16, 2020.
    2. United States Census Bureau, Geography Division. "Census Regions and Divisions of the United States" (PDF). Retrieved January 10, 2013.
    3. "The National Energy Modeling System: An Overview 2003" (Report #:DOE/EIA-0581, October 2009). United States Department of Energy, Energy Information Administration.
    4. "The most widely used regional definitions follow those of the U.S. Bureau of the Census." Seymour Sudman and Norman M. Bradburn, Asking Questions: A Practical Guide to Questionnaire Design (1982). Jossey-Bass: p. 205.
    5. "Perhaps the most widely used regional classification system is one developed by the U.S. Census Bureau." Dale M. Lewison, Retailing, Prentice Hall (1997): p. 384. ISBN 978-0-13-461427-4
    6. "[M]ost demographic and food consumption data are presented in this four-region format." Pamela Goyan Kittler, Kathryn P. Sucher, Food and Culture, Cengage Learning (2008): p.475. ISBN 9780495115410
    7. "Census Bureau Regions and Divisions with State FIPS Codes" (PDF). US Census Bureau. Archived from the original (PDF) on September 21, 2013. Retrieved June 20, 2010.
    8. "Census Bureau Regions and Divisions with State FIPS Codes" (PDF). US Census Bureau. Archived from the original (PDF) on September 21, 2013. Retrieved June 20, 2010.
    9. "Geographic Terms and Concepts - Census Divisions and Census Regions". US Census Bureau. Retrieved August 19, 2015.
    10. "Rescission of OMB Circulars". Federal Register. March 22, 1995.
    11. "No DST in Most of Arizona". www.timeanddate.com. Retrieved August 14, 2020.
    12. "BEA Regions". Bureau of Economic Analysis. February 18, 2004. Retrieved December 27, 2012.
    13. "Records of Petroleum Administration for War". Retrieved January 3, 2012.
    14. "Appedix A: District Description and Maps" (PDF). Energy Information Administration. October 2012. Retrieved January 3, 2012.
    15. "PADD Definitions". Energy Information Administration. Archived from the original on October 16, 2011. Retrieved January 3, 2012.
    16. https://web.archive.org/web/20190705075545/https://www.nps.gov/orgs/rtca/contactus.htm U.S. National Park Service. Rivers, Trails, and Conservation Assistance Program. Contact Us. (archived) Retrieved July 5, 2019.
    17. U.S. National Park Service. Partnerships - Contact Us. Retrieved September 1, 2019.
    18. The World Factbook CIA World Factbook - American Samoa. Retrieved July 5, 2019.
    19. "United States Regions". National Geographic.
    20. "US Geography regions". Ducksters.
    21. "Regions of the US". Flocabulary.
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