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Illinois statistical areas

Coordinates: 40°02′30″N 89°11′47″W / 40.0417°N 89.1965°W / 40.0417; -89.1965 (State of Illinois)
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The U.S. State of Illinois currently has 47 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated 14 combined statistical areas, 12 metropolitan statistical areas, and 21 micropolitan statistical areas in Illinois.[1] As of 2023, the largest of these is the Chicago-Naperville, IL-IN-WI CSA, comprising the area around Illinois' largest city, Chicago.

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 47 United States statistical areas and 102 counties of the State of Illinois[a]

Combined statistical area[1] 2023 population (est.)[3] Core-based statistical area[1] 2023 population (est.)[3] County 2023 population (est.)[3] Metropolitan division[1] 2023 population (est.)[3]
Chicago-Naperville, IL-IN-WI CSA 9,794,558
8,791,936 (IL)
Chicago-Naperville-Elgin, IL-IN MSA 9,262,825
8,539,397 (IL)
Cook County, Illinois 5,087,072 Chicago-Naperville-Schaumburg, IL MD 7,075,391
DuPage County, Illinois 921,213
Will County, Illinois 700,728
McHenry County, Illinois 312,800
Grundy County, Illinois 53,578
Kane County, Illinois 514,982 Elgin, IL MD 755,246
Kendall County, Illinois 139,976
DeKalb County, Illinois 100,288
Lake County, Indiana 500,598 Lake County-Porter County-Jasper County, IN MD 723,428
Porter County, Indiana 175,335
Jasper County, Indiana 33,535
Newton County, Indiana 13,960
Lake County, Illinois 708,760 Lake County, IL MD 708,760
Kenosha, WI MSA 167,488 Kenosha County, Wisconsin 167,488 none
Ottawa, IL μSA 146,599 LaSalle County, Illinois 108,309
Bureau County, Illinois 32,729
Putnam County, Illinois 5,561
Michigan City-La Porte, IN MSA 111,706 LaPorte County, Indiana 111,706
Kankakee-Bradley, IL MSA 105,940 Kankakee County, Illinois 105,940
St. Louis-St. Charles-Farmington, MO-IL CSA 2,900,730[b][1]
708,061 (IL)
St. Louis, MO-IL MSA 2,796,999
671,388 (IL)
St. Louis County, Missouri 987,059
St. Charles County, Missouri 416,659
City of St. Louis, Missouri 281,754
Madison County, Illinois 262,752
St. Clair County, Illinois 251,018
Jefferson County, Missouri 231,230
Franklin County, Missouri 106,404
Lincoln County, Missouri 64,699
Macoupin County, Illinois 44,018
Warren County, Missouri 37,806
Clinton County, Illinois 36,785
Monroe County, Illinois 34,957
Jersey County, Illinois 21,091
Bond County, Illinois 16,450
Calhoun County, Illinois 4,317
Farmington, MO μSA 67,058 Saint Francois County, Missouri 67,058
Centralia, IL μSA 36,673 Marion County, Illinois 36,673
Rockford-Freeport-Rochelle, IL CSA 428,494 Rockford, IL MSA 334,124 Winnebago County, Illinois 280,922
Boone County, Illinois 53,202
Rochelle, IL μSA 51,265 Ogle County, Illinois 51,265
Freeport, IL μSA 43,105 Stephenson County, Illinois 43,105
Peoria-Canton, IL CSA 394,781 Peoria, IL MSA 362,240 Peoria County, Illinois 177,513
Tazewell County, Illinois 129,541
Woodford County, Illinois 38,285
Marshall County, Illinois 11,683
Stark County, Illinois 5,218
Canton, IL μSA 32,541 Fulton County, Illinois 32,541
Champaign-Urbana-Danville, IL CSA 307,260 Champaign-Urbana, IL MSA 235,608 Champaign County, Illinois 205,644
Piatt County, Illinois 16,714
Ford County, Illinois 13,250
Danville, IL MSA 71,652 Vermilion County, Illinois 71,652
Springfield-Jacksonville-Lincoln, IL CSA 303,113 Springfield, IL MSA 205,445 Sangamon County, Illinois 193,491
Menard County, Illinois 11,954
Jacksonville, IL μSA 36,850 Morgan County, Illinois 32,140
Scott County, Illinois 4,710
Taylorville, IL μSA 33,228 Christian County, Illinois 33,228
Lincoln, IL μSA 27,590 Logan County, Illinois 27,590
Bloomington-Pontiac, IL CSA 205,761 Bloomington, IL MSA 170,441 McLean County, Illinois 170,441
Pontiac, IL μSA 35,320 Livingston County, Illinois 35,320
Davenport-Moline, IA-IL CSA 467,817
205,171 (IL)
Davenport-Moline-Rock Island, IA-IL MSA 379,441
205,171 (IL)
Scott County, Iowa 174,270
Rock Island County, Illinois 141,236
Henry County, Illinois 48,448
Mercer County, Illinois 15,487
Clinton, IA μSA 46,158 Clinton County, Iowa 46,158
Muscatine, IA μSA 42,218 Muscatine County, Iowa 42,218
Carbondale-Marion-Herrin, IL CSA 118,847 Marion-Herrin, IL μSA 66,706 Williamson County, Illinois 66,706
Carbondale, IL μSA 52,141 Jackson County, Illinois 52,141
none Decatur, IL MSA 100,591 Macon County, Illinois 100,591
Dixon-Sterling, IL CSA 88,152 Sterling, IL μSA 54,498 Whiteside County, Illinois 54,498
Dixon, IL μSA 33,654 Lee County, Illinois 33,654
Quincy-Hannibal, IL-MO CSA 113,084
64,441 (IL)
Quincy, IL-MO μSA 74,259
64,441 (IL)
Adams County, Illinois 64,441
Lewis County, Missouri 9,818
Hannibal, MO μSA 38,825 Marion County, Missouri 28,336
Ralls County, Missouri 10,489
none Galesburg, IL μSA 48,411 Knox County, Illinois 48,411
Charleston–Mattoon, IL μSA 46,060 Coles County, Illinois 46,060
Effingham, IL μSA 44,592 Effingham County, Illinois 34,331
Cumberland County, Illinois 10,261
Mount Vernon, IL μSA 36,320 Jefferson County, Illinois 36,320
Macomb, IL μSA 26,839 McDonough County, Illinois 26,839
Paducah-Mayfield, KY-IL CSA 138,728
13,661 (IL)
Paducah, KY-IL MSA 102,267
13,661 (IL)
McCracken County, Kentucky 67,428
Massac County, Illinois 13,661
Livingston County, Kentucky 8,892
Ballard County, Kentucky 7,582
Carlisle County, Kentucky 4,704
Mayfield, KY μSA 36,461 Graves County, Kentucky 36,461
Burlington-Fort Madison, IA-IL CSA 76,906
6,088 (IL)
Burlington, IA-IL μSA 44,341
6,088 (IL)
Des Moines County, Iowa 38,253
Henderson County, Illinois 6,088
Fort Madison, IA μSA 32,565 Lee County, Iowa 32,565
Cape Girardeau-Sikeston, MO-IL CSA 147,934
4,695 (IL)
Cape Girardeau, MO-IL MSA 98,223
4,695 (IL)
Cape Girardeau County, Missouri 82,984
Bollinger County, Missouri 10,544
Alexander County, Illinois 4,695
Sikeston, MO μSA 49,711 Scott County, Missouri 37,889
Mississippi County, Missouri 11,822
none Franklin County, Illinois 37,138
Randolph County, Illinois 29,815
Montgomery County, Illinois 27,663
Iroquois County, Illinois 26,136
Saline County, Illinois 22,873
Jo Daviess County, Illinois 21,756
Fayette County, Illinois 21,164
Shelby County, Illinois 20,568
Perry County, Illinois 20,503
Douglas County, Illinois 19,629
Crawford County, Illinois 18,300
Hancock County, Illinois 17,186
Union County, Illinois 16,667
Edgar County, Illinois 16,334
Warren County, Illinois 16,185
Wayne County, Illinois 15,761
Carroll County, Illinois 15,526
Richland County, Illinois 15,488
DeWitt County, Illinois 15,365
Clark County, Illinois 15,088
Lawrence County, Illinois 14,813
Moultrie County, Illinois 14,342
Pike County, Illinois 14,342
Washington County, Illinois 13,536
White County, Illinois 13,401
Johnson County, Illinois 13,326
Clay County, Illinois 12,999
Cass County, Illinois 12,596
Mason County, Illinois 12,523
Greene County, Illinois 11,543
Wabash County, Illinois 10,942
Jasper County, Illinois 9,144
Hamilton County, Illinois 7,911
Schuyler County, Illinois 6,733
Brown County, Illinois 6,294
Edwards County, Illinois 5,968
Pulaski County, Illinois 4,911
Gallatin County, Illinois 4,670
Pope County, Illinois 3,707
Hardin County, Illinois 3,569
State of Illinois 12,549,689

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 47 statistical areas of Illinois, 20 are PSAs comprising 14 combined statistical areas, one metropolitan statistical area and five micropolitan statistical areas.

The 20 primary statistical areas of the State of Illinois[c]

2020 rank Primary statistical area[1] Population
2023 estimate[3] Change 2020 Census[4] Change 2010 Census[5]
1 Chicago-Naperville, IL-IN-WI CSA (IL) 8,791,936 −2.17% 8,986,729 +1.49% 8,854,966
2 St. Louis-St. Charles-Farmington, MO-IL CSA (IL) 708,061 −1.73% 720,490 −3.04% 743,101
3 Rockford-Freeport-Rochelle, IL CSA 428,494 −1.54% 435,216 −3.42% 450,639
4 Peoria-Canton, IL CSA 394,781 −1.89% 402,391 −3.33% 416,255
5 Champaign-Urbana-Danville, IL CSA 307,260 −0.97% 310,260 −1.04% 313,516
6 Springfield-Jacksonville-Lincoln, IL CSA 303,113 −1.75% 308,523 −2.42% 316,177
7 Davenport-Moline, IA-IL CSA (IL) 205,171 −2.14% 209,655 −1.77% 213,442
8 Bloomington-Pontiac, IL CSA 205,761 −0.49% 206,769 −0.84% 208,522
9 Carbondale-Marion-Herrin, IL CSA 118,847 −1.07% 120,127 −5.09% 126,575
10 Decatur, IL MSA 100,591 −3.28% 103,998 −6.11% 110,768
11 Dixon-Sterling, IL CSA 88,152 −1.87% 89,836 −4.96% 94,529
12 Quincy-Hannibal, IL-MO CSA (IL) 64,441 −1.97% 65,737 −2.04% 67,103
13 Galesburg, IL μSA 48,411 −3.11% 49,967 −5.58% 52,919
14 Charleston-Mattoon, IL μSA 46,060 −1.71% 46,863 −13.01% 53,873
15 Effingham, IL μSA 44,592 −1.17% 45,118 −0.38% 45,290
16 Mount Vernon, IL μSA 36,320 −2.14% 37,113 −4.41% 38,827
17 Macomb, IL μSA 26,839 −1.46% 27,238 −16.48% 32,612
18 Paducah-Mayfield, KY-IL CSA (IL) 13,661 −3.59% 14,169 −8.17% 15,429
19 Burlington-Fort Madison, IA-IL CSA (IL) 6,088 −4.68% 6,387 −12.88% 7,331
20 Cape Girardeau-Sikeston, MO-IL CSA (IL) 4,695 −10.40% 5,240 −36.39% 8,238
Chicago-Naperville, IL-IN-WI CSA 9,794,558 −1.93% 9,986,960 +1.48% 9,840,929
St. Louis-St. Charles-Farmington, MO-IL CSA 2,900,730 −0.83% 2,924,904 +1.12% 2,892,497
Davenport-Moline, IA-IL CSA 467,817 −1.31% 474,019 +0.74% 470,527
Quincy-Hannibal, IL-MO CSA 113,084 −1.37% 114,649 −1.39% 116,262
Paducah-Mayfield, KY-IL CSA 138,728 −1.00% 140,135 −0.60% 140,987
Burlington-Fort Madison, IA-IL CSA 76,906 −2.47% 78,852 −5.59% 83,518
Cape Girardeau-Sikeston, MO-IL CSA 147,934 −0.15% 148,153 −1.12% 149,824

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. ^ Per the most recent OMB bulletin, the portion of Sullivan, Missouri within Crawford County, Missouri is included in St. Louis' statistical areas. Population data for this portion of Sullivan is not readily available and is not included in this table.
  3. ^ 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 e f 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). "0MB BULLETIN NO. 23-01" (PDF). Office of Management and Budget. Retrieved October 23, 2023.{{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 e "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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40°02′30″N 89°11′47″W / 40.0417°N 89.1965°W / 40.0417; -89.1965 (State of Illinois)