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Louisiana statistical areas

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The U.S. State of Louisiana currently has 25 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated six combined statistical areas, ten metropolitan statistical areas, and nine micropolitan statistical areas in Louisiana.[1] As of 2023, the largest of these is the New Orleans-Metairie-Slidell, LA-MS CSA, comprising the area around New Orleans in the southeast region of the state.

Background

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The Office of Management and Budget (OMB) has designated more than 1,000 statistical areas for the United States and Puerto Rico.[2] These statistical areas are important geographic delineations of population clusters used by the OMB, the United States Census Bureau, planning organizations, and federal, state, and local government entities.

The OMB defines a core-based statistical area (commonly referred to as a CBSA) as the county or counties (or county-equivalents) surrounding at least one densely-settled core of at least 10,000 population,[2] "plus adjacent counties having a high degree of social and economic integration with the core as measured through commuting ties with the counties containing the core".[2] The OMB further divides core-based statistical areas based on population into metropolitan statistical areas (MSAs) for those with at least 50,000 and micropolitan statistical areas (μSAs) for those with 10,000 to 49,999 people.[2]

The OMB defines a combined statistical area (CSA) as two or more adjacent core-based statistical areas where the employment interchange rate (% commuting from A to B plus % commuting from B to A) is at least 15%.[2] The primary statistical areas (PSAs) include all combined statistical areas and any core-based statistical area that is not a constituent of a combined statistical area.

Table

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The 25 United States statistical areas and 64 parishes of the State of Louisiana[a]
Combined statistical area[1] 2023 population (est.)[3] Core-based statistical area[1] 2023 population (est.)[3] County 2023 population (est.)[3]
New Orleans–Metairie–Slidell, LA–MS CSA 1,340,591
1,282,613 (LA) 		New Orleans–Metairie, LA MSA 962,165 Jefferson Parish, Louisiana 421,777
Orleans Parish, Louisiana 364,136
St. Charles Parish, Louisiana 50,620
St. Bernard Parish, Louisiana 44,463
St. John the Baptist Parish, Louisiana 39,592
Plaquemines Parish, Louisiana 22,386
St. James Parish, Louisiana 19,191
Slidell–Mandeville–Covington, LA MSA 275,583 St. Tammany Parish, Louisiana 275,583
Picayune, MS μSA 57,978 Pearl River County, Mississippi 57,978
Bogalusa, LA μSA 44,865 Washington Parish, Louisiana 44,865
Baton Rouge–Hammond, LA CSA 1,011,725 Baton Rouge, LA MSA 873,661 East Baton Rouge Parish, Louisiana 448,467
Livingston Parish, Louisiana 150,145
Ascension Parish, Louisiana 131,632
Iberville Parish, Louisiana 29,617
West Baton Rouge Parish, Louisiana 28,266
Assumption Parish, Louisiana 20,160
Pointe Coupee Parish, Louisiana 20,000
East Feliciana Parish, Louisiana 19,229
West Feliciana Parish, Louisiana 15,371
St. Helena Parish, Louisiana 10,774
Hammond, LA MSA 138,064 Tangipahoa Parish, Louisiana 138,064
Lafayette–New Iberia–Opelousas, LA CSA 563,411 Lafayette, LA MSA 414,288 Lafayette Parish, Louisiana 249,750
Vermilion Parish, Louisiana 56,992
Acadia Parish, Louisiana 56,489
St. Martin Parish, Louisiana 51,057
Opelousas, LA μSA 81,464 St. Landry Parish, Louisiana 81,464
New Iberia, LA μSA 67,659 Iberia Parish, Louisiana 67,659
Shreveport–Bossier City–Minden, LA CSA 418,533 Shreveport–Bossier City, LA MSA 383,295 Caddo Parish, Louisiana 226,386
Bossier Parish, Louisiana 129,795
De Soto Parish, Louisiana 27,114
Minden, LA μSA 35,238 Webster Parish, Louisiana 35,238
Lake Charles–DeRidder, LA CSA 276,909 Lake Charles, LA MSA 240,082 Calcasieu Parish, Louisiana 203,761
Jefferson Davis Parish, Louisiana 31,553
Cameron Parish, Louisiana 4,768
De Ridder, LA μSA 36,827 Beauregard Parish, Louisiana 36,827
Monroe–Ruston, LA CSA 269,847 Monroe, LA MSA 221,885 Ouachita Parish, Louisiana 157,568
Morehouse Parish, Louisiana 23,955
Union Parish, Louisiana 20,650
Richland Parish, Louisiana 19,712
Ruston, LA μSA 47,962 Lincoln Parish, Louisiana 47,962
none Houma–Bayou Cane–Thibodaux, LA MSA 198,672 Terrebonne Parish, Louisiana 103,616
Lafourche Parish, Louisiana 95,056
Alexandria, LA MSA 148,171 Rapides Parish, Louisiana 126,260
Grant Parish, Louisiana 21,911
Morgan City, LA μSA 47,005 St. Mary Parish, Louisiana 47,005
Natchitoches, LA μSA 36,291 Natchitoches Parish, Louisiana 36,291
Natchez, MS-LA μSA 53,375
17,688 (LA) 		Adams County, Mississippi 28,746
Concordia Parish, Louisiana 17,688
Jefferson County, Mississippi 6,941
none Vernon Parish, Louisiana 46,250
Avoyelles Parish, Louisiana 38,408
Evangeline Parish, Louisiana 31,754
Allen Parish, Louisiana 22,112
Sabine Parish, Louisiana 21,906
Franklin Parish, Louisiana 19,285
La Salle Parish, Louisiana 14,800
Jackson Parish, Louisiana 14,746
Claiborne Parish, Louisiana 13,670
Winn Parish, Louisiana 13,216
Bienville Parish, Louisiana 12,366
Madison Parish, Louisiana 9,389
West Carroll Parish, Louisiana 9,323
Caldwell Parish, Louisiana 9,246
Catahoula Parish, Louisiana 8,414
Red River Parish, Louisiana 7,356
East Carroll Parish, Louisiana 6,829
Tensas Parish, Louisiana 3,764
State of Louisiana 4,573,749

Primary statistical areas

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Primary statistical areas (PSAs) include all combined statistical areas and any core-based statistical area that is not a constituent of a combined statistical area. Of the 25 statistical areas of Louisiana, 11 are PSAs comprising six combined statistical areas, two metropolitan statistical areas and three micropolitan statistical areas.

The 11 primary statistical areas of the State of Louisiana[b]
2020 rank Primary statistical area[1] Population
2023 estimate[3] Change 2020 Census[4] Change 2010 Census[5]
1 New Orleans-Metairie-Slidell, LA-MS CSA (LA) 1,282,613 −2.63% 1,317,308 +6.49% 1,237,034
2 Baton Rouge–Hammond, LA CSA 1,011,725 +0.80% 1,003,726 +5.99% 947,002
3 Lafayette–New Iberia–Opelousas, LA CSA 563,411 +0.44% 560,924 +1.96% 550,134
4 Shreveport–Bossier City–Minden, LA CSA 418,533 −2.75% 430,373 −2.15% 439,811
5 Lake Charles–DeRidder, LA CSA 276,909 −4.91% 291,201 +9.12% 266,855
6 Monroe–Ruston, LA CSA 269,847 −2.07% 275,543 +1.35% 271,880
7 Houma–Bayou Cane–Thibodaux, LA MSA 198,672 −4.09% 207,137 −0.50% 208,178
8 Alexandria, LA MSA 148,171 −2.64% 152,192 −1.12% 153,922
9 Morgan City, LA μSA 47,055 −4.76% 49,406 −9.60% 54,650
10 Natchitoches, LA μSA 36,291 −3.26% 37,515 −5.18% 39,566
11 Natchez, MS-LA μSA (LA) 17,688 −5.35% 18,687 −10.25% 20,822
New Orleans-Metairie-Slidell, LA-MS CSA 1,340,591 −2.39% 1,373,453 +6.23% 1,292,868
Natchez, MS-LA μSA 53,375 −3.80% 55,485 −8.81% 60,845

See also

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Notes

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  1. ^ An out-of-state area and its population are displayed in green. An area that extends into more than one state is displayed in purple. A purple population number over a black population number show the total population versus the in-state population. The state's abbreviation is also shown next to the in-state total.
  2. ^ For PSAs comprising populations from multiple states, they are listed twice to show both their intrastate population within that PSA as well as the PSA's total population. Only the intrastate population is ranked.

References

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  1. ^ a b c d Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas (July 21, 2023). "OMB BULLETIN NO. 23-01" (PDF). Office of Management and Budget. Retrieved February 20, 2024.{{cite web}}: CS1 maint: multiple names: authors list (link)
  2. ^ a b c d e "2020 Standards for Delineating Core Based Statistical Areas". Office of Management and Budget. July 16, 2021. Retrieved December 13, 2021.
  3. ^ a b c d "County Population Totals and Components of Change: 2020-2023". United States Census Bureau, Population Division. March 2023. Retrieved May 21, 2024.
  4. ^ "PROFILE OF GENERAL POPULATION AND HOUSING CHARACTERISTICS". U.S. Census Bureau. 2020. Retrieved May 21, 2024.
  5. ^ "Annual Estimates of the Resident Population for Counties: April 1, 2010 to July 1, 2019". U.S. Census Bureau. 2019. Retrieved May 21, 2024.
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31°04′08″N 91°59′48″W / 31.0689°N 91.9968°W / 31.0689; -91.9968 (State of Louisiana)

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