Interstate regions List of regions of the United States

1 interstate regions

1.1 official regions of united states

1.1.1 census bureau-designated regions , divisions
1.1.2 standard federal regions
1.1.3 federal reserve banks
1.1.4 time zones
1.1.5 courts of appeals circuits
1.1.6 bureau of economic analysis regions
1.1.7 energy information administration


1.2 unofficial u.s. multi-state regions

1.2.1 belts
1.2.2 interstate metropolitan areas
1.2.3 interstate megalopolises

interstate regions
official regions of united states

many regions in united states defined in law or regulations federal government.

census bureau-designated regions , divisions

u.s. census bureau regions , divisions.

the united states census bureau defines 4 statistical regions, 9 divisions. census bureau region definition used… data collection , analysis, , commonly used classification system.

regional divisions used united states census bureau:

region 1: northeast

division 1: new england (connecticut, maine, massachusetts, new hampshire, rhode island, , vermont)
division 2: mid-atlantic (new jersey, new york, , pennsylvania)


region 2: midwest (prior june 1984, midwest region designated north central region.)

division 3: east north central (illinois, indiana, michigan, ohio, , wisconsin)
division 4: west north central (iowa, kansas, minnesota, missouri, nebraska, north dakota, , south dakota)


region 3: south

division 5: south atlantic (delaware, florida, georgia, maryland, north carolina, south carolina, virginia, district of columbia, , west virginia)
division 6: east south central (alabama, kentucky, mississippi, , tennessee)
division 7: west south central (arkansas, louisiana, oklahoma, , texas)


region 4: west

division 8: mountain (arizona, colorado, idaho, montana, nevada, new mexico, utah, , wyoming)
division 9: pacific (alaska, california, hawaii, oregon, , washington)

puerto rico , other territories not part of census region or census division.

standard federal regions

standard federal regions.

the ten standard federal regions established omb (office of management , budget) circular a-105, standard federal regions, in april, 1974, , required executive agencies. in recent years, agencies have tailored field structures meet program needs , facilitate interaction local, state , regional counterparts. however, omb must still approve departures.

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, 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, trust territory of pacific islands
region x: alaska, idaho, oregon, washington

federal reserve banks

federal reserve districts.

the federal reserve act of 1913 divided country twelve districts central federal reserve bank in each district. these twelve federal reserve banks form major part of federal reserve system, central banking system of united states.

time zones


u.s. time zones.



utc−12:00 (baker island, howland island)
samoa time zone (american samoa, jarvis island, kingman reef, midway atoll, palmyra atoll)
hawaii–aleutian time zone (hawaii, aleutian islands (alaska), johnston atoll)
alaska time zone (alaska, excluding aleutian islands)
pacific time zone
mountain time zone
central time zone
eastern time zone
atlantic time zone (puerto rico, u.s. virgin islands)
chamorro time zone (guam, northern mariana islands)
wake island time zone (wake island)

courts of appeals circuits


u.s. courts of appeals circuits.



first circuit
second circuit
third circuit
fourth circuit
fifth circuit
sixth circuit
seventh circuit
eighth circuit
ninth circuit
tenth circuit
eleventh circuit
dc circuit

the federal circuit not regional circuit. jurisdiction nationwide, based on subject matter.

bureau of economic analysis regions

bureau of economic analysis regions.

the bureau of economic analysis defines regions comparison of economic data.

new england: connecticut, maine, massachusetts, new hampshire, rhode island , vermont
mideast: delaware, district of columbia, maryland, new jersey, new york, , pennsylvania
great lakes: illinois, indiana, michigan, ohio, , wisconsin
plains: iowa, kansas, minnesota, missouri, nebraska, north dakota, , south dakota
southeast: alabama, arkansas, florida, georgia, kentucky, louisiana, mississippi, north carolina, south carolina, tennessee, virginia, , west virginia
southwest: arizona, new mexico, oklahoma, , texas
rocky mountain: colorado, idaho, montana, utah, , wyoming
far west: alaska, california, hawaii, nevada, oregon, , washington

energy information administration

the energy information administration uses padd system established petroleum administration war in world war ii. used data collection on refining petroleum , products. each padd subdivided 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 counties in new york east of, north of , including cayuga, tompkins, , chemung; , counties in pennsylvania east of , including bradford, sullivan, columbia, montour, northumberland, dauphin , york.
appalachian no. 1: west virginia along counties of pennsylvania , new york state not mentioned above.


padd ii: midwest

indiana-illinois-kentucky: indiana, illinois, kentucky, tennessee, michigan, ohio
minnesota-wisconsin-north , south dakota: minnesota, wisconsin, north dakota, south dakota
oklahoma-kansas-missouri: oklahoma, kansas, missouri, nebraska, iowa


padd iii: gulf coast

texas gulf coast: 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 , cameron
texas inland: texan counties not mentioned above.
louisiana gulf coast: parishes of louisiana south of, , including vernon, rapides, avoyelles, pointe coupee, west feliciana, east feliciana, saint helena, tangipahoa , washington; along pearl river, stone, george, hancock, harrison, , jackson county of mississippi; , alabama s mobile , baldwin county.
north louisiana-arkansas: arkansas , parts of louisiana, mississippi , 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

padd can subdivided 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)

padd system established in world war ii , therefore don t accurately reflect current trends. eia has updated padd system complimentary set of regions reflect , change suite current needs. (note: region 9 includes countries not part of usa included sake of completion since contains puerto rico)

region 1: padd i
region 2: padd ii inland (states of north dakota, south dakota, nebraska, kansas, oklahoma, missouri, iowa, tennessee , kentucky)
region 3: padd ii lakes (states of minnesota, wisconsin, illinois, michigan, indiana , ohio)
region 4: padd iii gulf (refining districts of texas gulf coast , louisiana gulf coast)
region 5: padd iii inland (refining districts of texas inland, new mexico , north louisiana-arkansas)
region 6: padd iv
region 7: padd v california (state of california)
region 8: padd v other (states of alaska, arizona, hawaii, nevada, oregon , washington)
region 9: international

maritime canada (newfoundland, nova scotia, new brunswick)
caribbean (puerto rico, trinidad & tobago)



unofficial u.s. multi-state regions

the belts


interstate metropolitan areas


interstate megalopolises


arizona sun corridor
california
cascadia
great lakes
northeast megalopolis
piedmont atlantic megaregion (pam)




^ united states census bureau, geography division. census regions , divisions of united states (pdf). retrieved 2013-01-10. 
^ national energy modeling system: overview 2003 (report #:doe/eia-0581, october 2009). united states department of energy, energy information administration.
^ used regional definitions follow of u.s. bureau of census. seymour sudman , norman m. bradburn, asking questions: practical guide questionnaire design (1982). jossey-bass: p. 205.
^ perhaps used regional classification system 1 developed u.s. census bureau. dale m. lewison, retailing, prentice hall (1997): p. 384. isbn 978-0-13-461427-4
^ (m)ost demographic , food consumption data presented in four-region format. pamela goyan kittler, kathryn p. sucher, food , culture, cengage learning (2008): p.475. isbn 9780495115410
^ census bureau regions , divisions state fips codes (pdf). census bureau. archived original (pdf) on 21 september 2013. retrieved 20 june 2010. 
^ geographic terms , concepts - census divisions , census regions . census bureau. retrieved 19 august 2015. 
^ bea regions . bureau of economic analysis. february 18, 2004. retrieved december 27, 2012. 
^ records of petroleum administration war . retrieved january 3, 2012. 
^ appedix a: district description , maps (pdf). energy information administration. october 2012. retrieved january 3, 2012. 
^ padd definitions . energy information administration. retrieved january 3, 2012. 
^ annual energy outlook 2012 . energy information administration. june 25, 2012. retrieved january 3, 2012.