Statistical area (United States)

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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 2023, the U.S. Office of Management and Budget (OMB) defined and delineated 393 metropolitan statistical areas (MSAs) and 542 micropolitan statistical areas (μSAs) in the United States and Puerto Rico. [1] Many of these 935 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 2023, 582 metropolitan and micropolitan areas are components of the 184 defined CSAs.

Contents

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 core with a population of at least 50,000. In a micropolitan statistical area, the largest core has a population of at least 10,000 but less than 50,000.

Maps

An enlargeable map of the 935 core-based statistical areas (MSAs and mSAs) of the 50 states, the District of Columbia, and Puerto Rico. The 393 MSAs are shown in medium green .mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{} . The 542 mSAs are shown in light green . CBSA WallMap Jul2023.pdf
An enlargeable map of the 935 core-based statistical areas (MSAs and μSAs) of the 50 states, the District of Columbia, and Puerto Rico. The 393 MSAs are shown in medium green  . The 542 μSAs are shown in light green  .
An enlargeable map of the 184 combined statistical areas (CSAs) of the 50 states, the District of Columbia, and Puerto Rico, shown in shades of green. The metropolitan statistical areas (MSAs) outside CSAs are shown in medium tan. The micropolitan statistical areas (mSAs) outside CSAs are shown in light tan. CSA WallMap Jul2023.pdf
An enlargeable map of the 184 combined statistical areas (CSAs) of the 50 states, the District of Columbia, and Puerto Rico, shown in shades of green. The metropolitan statistical areas (MSAs) outside CSAs are shown in medium tan. The micropolitan statistical areas (μSAs) outside CSAs are shown in light tan.

Types and distribution

The sortable table below shows the number of combined, metropolitan and micropolitan statistical areas in each of the U.S. states, the District of Columbia, and Puerto Rico as of 2023. For each jurisdiction, it lists:

  1. Total number of delineated areas wholly or partially in the named jurisdiction [1]
  2. The number of CSAs wholly or partially in the jurisdiction [1]
  3. The number of core-based statistical areas (i.e., MSAs and μSAs) wholly or partially in the jurisdiction [1]
  4. The number of MSAs wholly or partially in the jurisdiction [1]
  5. The number of μSAs wholly or partially in the jurisdiction [1]
Number of statistical areas in the United States and Puerto Rico [a]

JurisdictionDelineated areas CSAs Core-based areas MSAs μSAs
Alabama [2] 359261313
Alaska 40422
Arizona 1321174
Arkansas [2] 25421714
California 427352510
Colorado 20317710
Connecticut [2] 92752
Delaware [2] 41321
Florida [2] 35728226
Georgia [2] 467391524
Hawaiʻi 40422
Idaho [2] 22517710
Illinois [2] 4714331221
Indiana [2] 5010401525
Iowa [2] 31724915
Kansas [2] 25322715
Kentucky [2] 32824915
Louisiana [2] 25619109
Maine 51431
Maryland [2] 1331064
Massachusetts [2] 1221073
Michigan [2] 438351619
Minnesota [2] 34628919
Mississippi [2] 27621417
Missouri [2] 31625718
Montana 70752
Nebraska [2] 1631349
Nevada 102835
New Hampshire [2] 82624
New Jersey [2] 93660
New Mexico 19217413
New York [2] 347271314
North Carolina [2] 489391524
North Dakota [2] 91844
Ohio [2] 5511441529
Oklahoma [2] 28622517
Oregon [2] 24420812
Pennsylvania [2] 4812362016
Rhode Island [2] 21110
South Carolina [2] 20416106
South Dakota [2] 1421239
Tennessee [2] 347271017
Texas [2] 8013672641
Utah [2] 1211156
Vermont [2] 82615
Virginia [2] 19415114
Washington [2] 296231310
West Virginia [2] 20515105
Wisconsin [2] 4011291514
Wyoming [2] 1001028
District of Columbia [3] 21110
United States 1106181925387538
Puerto Rico 1331064
United States & Puerto Rico 1119184935393542

See also

Notes

  1. ↑ Because many metropolitan and micropolitan areas overlap jurisdictional boundaries, columns are not additive.

References

  1. 1 2 3 4 5 6 "OMB Bulletin No. 23-01: Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas" (PDF). United States Office of Management and Budget. July 21, 2023. Retrieved May 2, 2024.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 This state shares one or more statistical areas with one or more other states.
  3. ↑ The District of Columbia shares both its statistical areas with nearby states.
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