Statistical area

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The United States federal government defines and delineates the nation's metropolitan areas for statistical purposes, using a set of standard statistical area definitions. As of 2013, the U.S. Office of Management and Budget (OMB) defined and delineated 388 metropolitan statistical areas (MSAs) and 541 micropolitan statistical areas (μSAs) in the United States and Puerto Rico.[1] Many of these 929 MSAs and μSAs are, in turn, components of larger combined statistical areas (CSAs) consisting of adjacent MSAs and μSAs that are linked by commuting ties; as of 2013, 524 metropolitan and micropolitan areas are components of the 169 defined CSAs.

Metropolitan and micropolitan statistical areas are defined as consisting of one or more adjacent counties or county equivalents with at least one urban core area meeting relevant population thresholds, plus adjacent territory that has a high degree of social and economic integration with the core, as measured by commuting ties. A metropolitan statistical area has at least one urban core with a population of at least 50,000. In a micropolitan statistical area, the largest urban core has a population of at least 10,000 but less than 50,000.

Maps[edit]

An enlargeable map of the 929 core based statistical areas (MSAs and μSAs) of the United States and Puerto Rico. The 388 MSAs are shown in medium green. The 541 μSAs are shown in light green.
An enlargeable map of the 169 Combined Statistical Areas (CSAs) of the United States and Puerto Rico.

Types and distribution[edit]

The sortable table below shows the number of metropolitan and micropolitan statistical areas in each of the U.S. states, the District of Columbia, and Puerto Rico. For each jurisdiction, it lists:

  1. Total number of delineated areas wholly or partially in the named jurisdiction[1]
  2. The number of primary statistical areas (i.e., CSAs plus any MSAs and µSAs that are not included in a CSA) wholly or partially in the jurisdiction[1]
  3. The number of CSAs wholly or partially in the jurisdiction[1]
  4. The number of core-based statistical areas (i.e., MSAs and µSAs) wholly or partially in the jurisdiction[1]
  5. The number of MSAs wholly or partially in the jurisdiction[1]
  6. The number of µSAs wholly or partially in the jurisdiction[1]
  7. The number of counties and county-equivalents in the jurisdiction[2]

Please note: Because many metropolitan and micropolitan areas overlap jurisdictional boundaries, columns are not additive.

Number of metropolitan and micropolitan areas in the United States and Puerto Rico

Jurisdiction Delineated areas Primary statistical areas CSAs Core-based areas MSAs μSAs Counties
Alabama[3] 28 13 6 22 13 9 !B9957953073806 67
Alaska 4 4 0 4 2 2 !B9966327041700    29[4]
Arizona 13 10 2 11 7 4 !B9972919497988 15
Arkansas[3] 26 17 4 22 8 14 !B9956825118864 75
California[3] 41 20 7 34 26 8 !B9959395569894 58
Colorado 21 12 4 17 7 10 !B9958411169166 64
Connecticut[3] 9 3 3 6 5 1 !B9979205584583 8
Delaware[3] 4 2 1 3 3 0 !B9989013877113 3
Florida 36 19 7 29 22 7 !B9957953073806 67
Georgia[3] 46 26 8 38 15 23 !B9949310957977 159
Hawaiʻi 4 4 0 4 2 2 !B9983905620875 5
Idaho[3] 20 12 4 16 6 10 !B9962158103660 44
Illinois[3] 45 22 12 33 13 20 !B9953750271867 102
Indiana[3] 49 19 10 39 15 24 !B9954782114229 92
Iowa[3] 29 18 5 24 9 15 !B9954048801498 99
Kansas[3] 25 16 3 22 6 16 !B9953460396498 105
Kentucky[3] 32 17 7 25 9 16 !B9952125082572 120
Louisiana[3] 22 11 4 18 9 9 !B9958411169166    64[5]
Maine 5 3 1 4 3 1 !B9972274112777 16
Maryland[3] 11 4 2 9 7 2 !B9968219461696    24[6]
Massachusetts[3] 10 4 2 8 6 2 !B9973609426703 14
Michigan[3] 42 20 7 35 15 20 !B9955811593922 83
Minnesota[3] 28 17 4 24 8 16 !B9955340918813 87
Mississippi[3] 26 19 4 22 4 18 !B9955932807527 82
Missouri[3] 35 20 7 28 9 19 !B9952550678716     115[7]
Montana 7 7 0 7 3 4 !B9959746483092 56
Nebraska[3] 16 11 3 13 4 9 !B9954674005068 93
Nevada[3] 11 5 2 9 3 6 !B9971667866559     17[8]
New Hampshire[3] 8 4 1 7 2 5 !B9976974149070 10
New Jersey[3] 9 2 2 7 7 0 !B9969554775622 21
New Mexico 21 12 3 18 4 14 !B9965034924385 33
New York[3] 33 15 7 26 12 14 !B9958728656149 62
North Carolina[3] 52 21 11 41 17 24 !B9953948298140 100
North Dakota[3] 9 7 1 8 3 5 !B9960297080864 53
Ohio[3] 59 20 12 47 14 33 !B9955226631855 88
Oklahoma[3] 26 18 4 22 4 18 !B9956561945781 77
Oregon[3] 24 15 4 20 8 12 !B9964164810615 36
Pennsylvania[3] 47 21 11 36 20 16 !B9957953073806 67
Rhode Island[3] 2 1 1 1 1 0 !B9983905620875 5
South Carolina[3] 21 10 4 17 10 7 !B9961713586035 46
South Dakota[3] 14 10 2 12 3 9 !B9958103452579 66
Tennessee[3] 32 15 6 26 10 16 !B9954461231083 95
Texas[3] 80 48 12 68 25 43 !B9944626657329 254
Utah[3] 11 6 1 10 5 5 !B9966327041700 29
Vermont[3] 6 6 0 6 1 5 !B9973609426703 14
Virginia[3] 19 13 4 15 11 4 !B9951021602000     134[9]
Washington[3] 27 14 5 22 13 9 !B9963364383538 39
West Virginia[3] 22 12 5 17 11 6 !B9959926668147 55
Wisconsin[3] 36 16 8 28 15 13 !B9957233338809 72
Wyoming[3] 9 9 0 9 2 7 !B9968645057840 23
District of Columbia[10] 2 1 1 1 1 0 !C     1[11]
United States 1083 569 166 917 381 536     3143[12]
Puerto Rico 15 5 3 12 7 5 !B9956432911733     78[13]
United States & Puerto Rico 1098 574 169 929 388 541     3221[14]

See also[edit]

References[edit]

  1. ^ a b c d e f g "OMB Bulletin No. 13-01: Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas". United States Office of Management and Budget. February 28, 2013. Retrieved April 2, 2013. 
  2. ^ "Annual Estimates of the Resident Population for Counties and County-Equivalents: April 1, 2010 to July 1, 2012" (CSV). 2012 Population Estimates. United States Census Bureau, Population Division. April 2012. Retrieved March 18, 2013. 
  3. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap This state shares one or more statistical areas with one or more other states.
  4. ^ The State of Alaska has 16 boroughs, 2 independent municipalities, and 11 census areas.
  5. ^ The State of Louisiana has 64 parishes.
  6. ^ The State of Maryland has 23 counties and 1 independent city.
  7. ^ The State of Maryland has 114 counties, and the 1 independent city.
  8. ^ The State of Nevada has 16 counties and 1 independent city.
  9. ^ The Commonwealth of Virginia has 95 counties and 39 independent cities.
  10. ^ The District of Columbia shares both its statistical areas with nearby states.
  11. ^ The District of Columbia has no counties or other subdivisions, but the District itself is considered a county-equivalent.
  12. ^ The United States of America has 3087 counties, parishes, and boroughs; 11 census areas; 44 independent cities and municipalities; and 1 federal district.
  13. ^ The Commonwealth of Puerto Rico has 78 municipios.
  14. ^ The United States and Puerto Rico have 3087 counties, parishes, and boroughs; 78 municipios; 11 census areas; 44 independent cities and municipalities; and 1 federal district.

External links[edit]