Denver is the central city of a conurbation region in the U.S. state of Colorado. The conurbation includes one continuous region consisting of the six central counties of Adams, Arapahoe, Broomfield, Denver, Douglas, and Jefferson. The Denver region is part of the Front Range Urban Corridor and its metropolitan planning organization is the Denver Regional Council of Governments.
In the United States, a metropolitan statistical area (MSA) is a geographical region with a relatively high population density at its core and close economic ties throughout the region. Such regions are not legally incorporated as a city or town would be and are not legal administrative divisions like counties or separate entities such as states. As a result, sometimes the precise definition of a given metropolitan area will vary between sources. The statistical criteria for a standard metropolitan area were defined in 1949 and redefined as a metropolitan statistical area in 1983.
Teller County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 24,710. The county seat is Cripple Creek, and the most populous city is Woodland Park.
The Beaumont–Port Arthur metropolitan statistical area is defined by the United States Census Bureau as a three-county region in Southeast Texas. The metropolitan area shares borders with the Houston–The Woodlands–Sugar Land metropolitan area to the west and the Lake Charles metropolitan area in the U.S. state of Louisiana to the east. The area is also known as the Golden Triangle. The "golden" refers to the wealth that came from the Spindletop oil strike near Beaumont in 1901, and "triangle" refers to the area among the cities of Beaumont, Port Arthur, and Orange.
The Lexington-Fayette metropolitan area is the 109th-largest metropolitan statistical area (MSA) in the United States. It was originally formed by the United States Census Bureau in 1950 and consisted solely of Fayette County until 1980 when surrounding counties saw increases in their population densities and the number of their residents employed within Lexington-Fayette, which led to them meeting Census criteria to be added to the MSA.
The Charleston Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of three counties in West Virginia, anchored by the city of Charleston. It is the largest metropolitan area entirely within the state of West Virginia. The Huntington Metro Area adds to the Charleston–Huntington, WV-OH-KY CSA and spans three states, while the core county of the Charleston area, Kanawha County, is more populous than the West Virginia portion of the Huntington area.
The United States Office of Management and Budget has defined the 12-county Denver–Aurora, CO Combined Statistical Area comprising the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area, the Boulder, CO Metropolitan Statistical Area, and the Greeley, CO Metropolitan Statistical Area. The United States Census Bureau estimates that the population was 3,214,218 as of July 1, 2012, an increase of +3.99% since the 2010 United States Census, and ranking as the 16th most populous metropolitan combined statistical area and the 17th most populous primary statistical area of the United States. The population estimate for 2020 was 3,652,385.
The Fort Collins – Loveland Metropolitan Statistical Area is a United States Office of Management and Budget (OMB) defined Metropolitan Statistical Area (MSA) located in the Fort Collins and Loveland area in the North Central region of the U.S. state of Colorado. The Fort Collins–Loveland MSA is defined as Larimer County, Colorado. The Census Bureau estimates that the population was 362,533 in 2021. The Fort Collins–Loveland MSA is the 150th most populous MSA in the United States.
The South Central Colorado Urban Area comprises the Colorado Springs Metropolitan Statistical Area, the Pueblo Metropolitan Statistical Area, and the Cañon City Micropolitan Statistical Area in the central and south central region of the State of Colorado. With the exception of northern Teller County and small portions of northern El Paso County, the entire South Central Colorado Urban Area is drained by the Arkansas River and its tributaries. The South Central Colorado Urban Area is the southernmost of the three primary subregions of the Front Range Urban Corridor.
The U.S. State of Wyoming currently has ten statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated two metropolitan statistical areas and eight micropolitan statistical areas in Wyoming. The most populous of these statistical areas is the Cheyenne, WY Metropolitan Statistical Area with a 2020 Census population of 100,512.
The Peoria Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of six counties in Central Illinois, anchored by the city of Peoria. As of the 2020 census, the area had a population of 402,391. The City of Peoria, according to the 2020 US Census Bureau, has 113,150 people.
The Wichita, Kansas Metropolitan Statistical Area, as defined by the United States Office of Management and Budget, is an area consisting of four counties in south central Kansas, its only principal city is Wichita and its only central county is Sedgwick County. As of the 2013 American Community Survey, the MSA had a population of 637,989.
The San Juan metropolitan area is a United States Census Bureau defined metropolitan statistical area (MSA) in northeastern Puerto Rico centered around the city of San Juan. A July 1, 2009, Census Bureau estimate placed the population at 2,617,089, a 4.31% increase over the 2000 census figure of 2,509,007.
The Kokomo Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of Howard County in Indiana. Howard County had a population estimate of 83,831 in 2023. Kokomo is also the principal city of the area known as North Central Indiana, the area around Kokomo with economic ties. The six county area including Cass, Clinton, Fulton, Howard, Miami, and Tipton counties had population of 228,331 people in 2010.
The Front Range Urban Corridor is an oblong region of urban population located along the eastern face of the Southern Rocky Mountains, encompassing 18 counties in the US states of Colorado and Wyoming. The corridor derives its name from the Front Range, the mountain range that defines the western boundary of the corridor which serves as a gateway to the Rocky Mountains. The region comprises the northern portion of the Southern Rocky Mountain Front geographic area, which in turn comprises the southern portion of the Rocky Mountain Front geographic area of Canada and the United States. The Front Range Urban Corridor had a population of 5,055,344 at the 2020 Census, an increase of +16.65% since the 2010 Census.
United States 
Colorado 
