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.
The Blacksburg-Christiansburg Metropolitan Statistical Area, formerly the Blacksburg-Christiansburg-Radford Metropolitan Statistical Area, is a Metropolitan Statistical Area (MSA) as defined by the United States Office of Management and Budget (OMB) located in the New River Valley of Southwest Virginia. As of the 2020 census, the MSA had a population of 181,863.
The Kingsport–Bristol–Bristol metropolitan area is a metropolitan statistical area (MSA) in Northeast Tennessee and Southwest Virginia, United States, as defined by the Office of Management and Budget (OMB). It was formed in December 2003 by the merger of the Bristol, VA MSA and Kingsport–Bristol, TN–VA MSA.
The Lynchburg Metropolitan Statistical Area is a United States Metropolitan Statistical Area (MSA) in the state of Virginia, as defined by the Office of Management and Budget (OMB) as of June 2003. As of the 2000 census, the MSA had a population of 228,616. In 2009 this was estimated to have risen to 247,447; as of 2016, the Lynchburg MSA was estimated to have a population of 260,320, making it the fifth-largest metro area in the state.
Combined Statistical Area (CSA) is a United States Office of Management and Budget (OMB) term for a combination of adjacent metropolitan (MSA) and micropolitan statistical areas (µSA) across the 50 U.S. states and the territory of Puerto Rico that can demonstrate economic or social linkage. CSAs were first designated in 2003. OMB defines a CSA by various combinations of adjacent metropolitan and micropolitan areas with economic ties measured by commuting patterns. CSAs retain their own designations as metropolitan or micropolitan statistical areas in their respective larger combined statistical areas.
The Sarasota metropolitan area is a metropolitan area located in Southwest Florida. The metropolitan area is defined by the Office of Management and Budget (OMB) as the North Port–Bradenton–Sarasota Metropolitan Statistical Area, a metropolitan statistical area (MSA) consisting of Manatee County and Sarasota County. The principal cities listed by the OMB for the MSA are North Port, Bradenton, Sarasota, Lakewood Ranch, and Venice. At the 2020 census, the MSA had a population of 833,716. The Census Bureau estimates that its population was 891,411 in 2022.
The Kalamazoo–Portage Metropolitan Area comprises a region surrounding Kalamazoo. 2015 estimates placed it as the 151st largest among similarly designated areas in the United States. 2015 estimates place the combined statistical area 85th among similarly designated areas.
The Lubbock–Plainview Combined Statistical Area consists of the Lubbock Metropolitan Area and the Plainview Micropolitan Area and comprises eight counties: in the South Plains region of west Texas. The Levelland Micropolitan Statistical Area was a separate statistical area within the CSA until 2023 when it was added to the Lubbock MSA. In the 2010 census, the CSA had a population of 350,013, though a July 1, 2019 estimate placed the population at 381,664. The CSA's principal city is Lubbock.
The Salisbury, MD-DE Metropolitan Statistical Area is a United States Census Bureau-designated metropolitan area centered in and around Salisbury, Maryland, including four counties: Somerset, Wicomico, and Worcester in Maryland; and Sussex in Delaware.
The Rockford Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of four counties in north-central Illinois, anchored by the city of Rockford. As of the 2010 census, the MSA had a population of 349,431. The Rockford MSA abuts the southern portions of the Janesville-Beloit MSA and the Chicago MSA. It forms the main part of the larger Rockford–Freeport–Rochelle Combined Statistical Area.
The Manhattan–Junction City Combined Statistical Area, as defined by the United States Census Bureau, is an area consisting of three counties in northeastern Kansas, anchored by the city of Manhattan. It was upgraded from a Micropolitan Statistical Area (μSA) to a Metropolitan Statistical Area (MSA) by the Office of Management and Budget on November 20, 2008. It was changed from a Metropolitan Statistical Area (MSA) to a Combined Statistical Area (CSA) by the Office of Management and Budget on February 28, 2013.
The city of Portland, Maine, is the hub city of a metropolitan area in southern Maine. The region is commonly known as Greater Portland or the Portland metropolitan area. For statistical purposes, the U.S. federal government defines three different representations of the Portland metropolitan area. The Portland–South Portland, Maine, metropolitan statistical area is a region consisting of three counties in Maine, anchored by the city of Portland and the smaller city of South Portland. As of the 2020 census, the MSA had a population of 551,740. A larger combined statistical area (CSA), the Portland–Lewiston–South Portland combined statistical area, is defined as the combination of this metropolitan statistical area (MSA) with the adjacent Lewiston–Auburn MSA. The CSA comprises four counties in southern Maine. The Portland–South Portland metropolitan New England city and town area is defined on the basis of cities and towns rather than entire counties. It consists of most of Cumberland and York counties plus the town of Durham in Androscoggin County. The Greater Portland area has emerged as an important center for the creative economy, which is also bringing gentrification.
The Montgomery, Alabama Metropolitan Statistical Area is a metropolitan area in central Alabama. As of 2020, the MSA had a population of 386,047, ranking it 142nd among United States Metropolitan Statistical Areas. That number is up +3.07% from the 2010 census number of 374,536. In September of 2018 the OMB formed the Montgomery-Selma-Alexander City CSA. It's made up of the 4 county Montgomery MSA and the Selma, AL and Alexander City, AL micropolitan areas. The 7 county CSA has a population of 522,873 as of the 2020 census.
The Cape Girardeau–Jackson Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of two counties in southeastern Missouri and one in southern Illinois with its core in both states. Its largest cities are the cities of Cape Girardeau and Jackson. It was upgraded from a Micropolitan Statistical Area (μSA) to a Metropolitan Statistical Area (MSA) by the Office of Management and Budget on November 20, 2008.
The Paducah, KY–IL Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of five counties – three in the Jackson Purchase region of Kentucky, a fourth Kentucky county bordering the Purchase, and one in Southern Illinois – anchored by the city of Paducah, Kentucky. The Paducah KY-IL Micropolitan Statistical Area was upgraded to Metropolitan Statistical Area (MSA) status on July 21, 2023, by the Office of Management and Budget.. Carlisle County, Kentucky, was added to the area following the 2020 Census of the Population. The total MSA population from the 2020 United States Census was 103,486.
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 Ponce Metropolitan Statistical Area is a United States Census Bureau defined Metropolitan Statistical Area (MSA) in south central Puerto Rico. A 1 July 2009 Census Bureau estimate placed the population at 262,414, a 0.95% decrease from the 2000 census figure of 264,919.
The Macon metropolitan area is a metropolitan statistical area consisting of five counties in Central Georgia, anchored by the principal city of Macon. At the 2010 U.S. census, the five-county area had a population of 232,293. A July 2017 estimate placed the population at 228,914. In 2022, its estimated population was 235,805.
The Lafayette-West Lafayette, Indiana Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of three counties in Indiana, anchored by the cities of Lafayette and West Lafayette. As of the July 1, 2021, the MSA had an estimated population of 224,709. Metro area population in 2021 is 237,130 and was 235,066 in 2020, a growth of 16% over 2010. In 2010, the Lafayette, Indiana, metro area population was 210,297.
The Hilton Head Island–Bluffton metropolitan area, officially the Hilton Head Island-Bluffton, SC Metropolitan Statistical Area as defined by the United States Census Bureau, is a metropolitan statistical area consisting of the two southernmost counties in the Lowcountry region of South Carolina, centered on the resort town of Hilton Head Island. As of the 2020 census, the MSA had a population of 215,908. Prior to March 2013, the region was considered a micropolitan statistical area.
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