Regions of the United States

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1 Interstate regions
- 1.1 Official U.S. regions
- 1.2 Unofficial U.S. multi-state regions
2 Intrastate regions
3 See also

[edit] Interstate regions

[edit] Official U.S. regions

Regions defined in law or regulations by the federal government.

[edit] Bureau of Reclamation Regions

Bureau of Reclamation regions

The Bureau of Reclamation divides the western United States into five major regions.

Great Plains Region - Billings, Montana
Lower Colorado Region - Boulder City, Nevada
Mid-Pacific Region - Sacramento, California
Pacific Northwest Region - Boise, Idaho
Upper Colorado Region - Salt Lake City, Utah

[edit] Census Bureau-designated areas

U.S. Census Bureau regions

Regional divisions used by the United States Census Bureau

Region 1 (Northeast)
- Division 1 (New England)
  - Maine
  - New Hampshire
  - Vermont
  - Massachusetts
  - Rhode Island
  - Connecticut
- Division 2 (Mid-Atlantic)
  - New York
  - Pennsylvania
  - New Jersey
Region 2 (Midwest)
- Division 3 (East North Central)
  - Wisconsin
  - Michigan
  - Illinois
  - Indiana
  - Ohio
- Division 4 (West North Central)
  - North Dakota
  - South Dakota
  - Nebraska
  - Kansas
  - Minnesota
  - Iowa
  - Missouri
Region 3 (South)
- Division 5 (South Atlantic)
  - Delaware
  - Maryland
  - District of Columbia
  - Virginia
  - West Virginia
  - North Carolina
  - South Carolina
  - Georgia
  - Florida
- Division 6 (East South Central)
  - Kentucky
  - Tennessee
  - Mississippi
  - Alabama
- Division 7 (West South Central)
  - Oklahoma
  - Texas
  - Arkansas
  - Louisiana
Region 4 (West)
- Division 8 (Mountain)
  - Idaho
  - Montana
  - Wyoming
  - Nevada
  - Utah
  - Colorado
  - Arizona
  - New Mexico
- Division 9 (Pacific)
  - Alaska
  - Washington
  - Oregon
  - California
  - Hawaii

[edit] 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. The OMB must still approve any departures, however.

Region I: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
Region II: New Jersey, New York, Puerto Rico, 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, Texas, Oklahoma, Kansas
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, Trust Territory of the Pacific Islands)
Region X: Alaska, Idaho, Oregon, Washington

[edit] Judicial circuits

U.S. judicial circuits

As designated by Congress, the federal court system is divided into eleven judicial circuits, each with its own United States Court of Appeals. (There are also a District of Columbia Circuit and a Federal Circuit, both of which sit in Washington D.C. and have special, non-geographic jurisdictions.)

1^st Circuit (Courthouse in Boston, Massachusetts)
2^nd Circuit (Courthouse in New York, New York)
3^rd Circuit (Courthouse in Philadelphia, Pennsylvania)
4^th Circuit (Courthouse in Richmond, Virginia)
5^th Circuit (Courthouse in New Orleans, Louisiana)
6^th Circuit (Courthouse in Cincinnati, Ohio)
7^th Circuit (Courthouse in Chicago, Illinois)
8^th Circuit (Courthouse in St. Louis, Missouri)
9^th Circuit (meeting places vary from California to Alaska, but headquarters are in San Francisco, California)
10^th Circuit (Courthouse in Denver, Colorado)
11^th Circuit (Courthouse in Atlanta, Georgia)

[edit] Federal Reserve banks

Federal Reserve districts

The Federal Reserve Act of 1913 divided the country into twelve regions with a central Reserve Bank in each. The Federal Reserve Districts are as follows:

[edit] Time Zones

U.S. time zones

Main article: United States time zones

[edit] Unofficial U.S. multi-state regions

[edit] The Belts

Main article: Belt regions of the United States

[edit] Interstate metropolitan areas

[edit] Interstate megalopolises

[edit] Intrastate regions

[edit] Alabama

[edit] Alaska

The Alaska Panhandle

[edit] Arizona

The Arizona Strip

Main article: Regions of Arizona

[edit] California

[edit] Colorado

Central Colorado (part of Southern Rocky Mountains)
Colorado Eastern Plains (part of High Plains and Great Plains)
Colorado Front Range (part of Front Range Urban Corridor)
Colorado Mineral Belt (part of Southern Rocky Mountains)
Colorado Western Slope (part of Southern Rocky Mountains and Colorado Plateau)
Denver-Aurora Metropolitan Area (part of Front Range Urban Corridor)
High Rockies (part of Southern Rocky Mountains)
Northwestern Colorado (part of Southern Rocky Mountains)
San Luis Valley
South-Central Colorado (part of Front Range Urban Corridor)
Southwestern Colorado (part of Southern Rocky Mountains and Colorado Plateau)

[edit] Connecticut

In connecticut, there are 15 official regions, each with a regional government that serves for the absence of county government in Connecticut. There are also a fair amount unnofficial regions in connecticut with no regional government.