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
editThe 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
editPrimary statistical areas
editPrimary 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.
| 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
edit
Notes
edit- ^ 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.
- ^ 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.
- ^ 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
edit- ^ 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) - ^ 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.
- ^ 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.
- ^ "PROFILE OF GENERAL POPULATION AND HOUSING CHARACTERISTICS". U.S. Census Bureau. 2020. Retrieved May 21, 2024.
- ^ "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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