Statistical areas
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 "a statistical geographic entity consisting of the county or counties (or county-equivalents) associated with at least one core[a] of at least 10,000 population, 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 into metropolitan statistical areas (MSAs) that have "a population of at least 50,000" and micropolitan statistical areas (μSAs) that have "a population of at least 10,000, but less than 50,000."[2]
The OMB defines a combined statistical area (CSA) as "a geographic entity consisting of two or more adjacent core-based statistical areas with employment interchange measures[b] of 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
The table below describes the 43 United States statistical areas and 102 counties of the State of Illinois with the following information:[3]
- The combined statistical area (CSA) as designated by the OMB.[1]
- The CSA population according to 2019 US Census Bureau population estimates.[4]
- The core based statistical area (CBSA)[2] as designated by the OMB.[1]
- The CBSA population according to 2019 US Census Bureau population estimates [4]
- The county name
- The county population according to 2019 US Census Bureau population estimates [4]
- The Metropolitan Division name, if applicable[1]
- The Metropolitan Division population according to 2019 US Census Bureau population estimates [4]
The 43 United States statistical areas and 102 counties of the State of Illinois
| Combined Statistical Area
|
2019 Population
|
Core Based Statistical Area
|
2019 Population
|
County
|
2019 Population
|
Metropolitan Division
|
2019 Population
|
| Chicago-Naperville, IL-IN-WI CSA
|
9,825,325
8,842,474
|
Chicago-Naperville-Elgin, IL-IN-WI MSA
|
9,458,539
8,585,550
|
Cook County, Illinois
|
5,150,233
|
Chicago-Naperville-Evanston, IL MD
|
7,122,725
|
| DuPage County, Illinois
|
922,921
|
| Will County, Illinois
|
690,743
|
| McHenry County, Illinois
|
307,774
|
| Grundy County, Illinois
|
51,054
|
| Lake County, Illinois
|
696,535
|
Lake County-Kenosha County, IL-WI MD
|
866,096
696,535
|
| Kenosha County, Wisconsin
|
169,561
|
| Kane County, Illinois
|
532,403
|
Elgin, IL MD
|
766,290
|
| Kendall County, Illinois
|
128,990
|
| DeKalb County, Illinois
|
104,897
|
| Lake County, Indiana
|
485,493
|
Gary, IN MD
|
703,428
|
| Porter County, Indiana
|
170,389
|
| Jasper County, Indiana
|
33,562
|
| Newton County, Indiana
|
13,984
|
| Ottawa, IL μSA
|
147,036
|
LaSalle County, Illinois
|
108,669
|
none
|
| Bureau County, Illinois
|
32,628
|
| Putnam County, Illinois
|
5,739
|
| Michigan City-La Porte, IN MSA
|
109,888
|
LaPorte County, Indiana
|
109,888
|
| Kankakee-Bradley, IL MSA
|
109,862
|
Kankakee County, Illinois
|
109,862
|
| St. Louis-St. Charles-Farmington, MO-IL CSA
|
2,907,648
719,920
|
St. Louis, MO-IL MSA
|
2,803,228
682,715
|
St. Louis County, Missouri
|
994,205
|
| St. Charles County, Missouri
|
402,022
|
| City of St. Louis, Missouri
|
300,576
|
| Madison County, Illinois
|
262,966
|
| St. Clair County, Illinois
|
259,686
|
| Jefferson County, Missouri
|
225,081
|
| Franklin County, Missouri
|
103,967
|
| Lincoln County, Missouri
|
59,013
|
| Macoupin County, Illinois
|
44,926
|
| Clinton County, Illinois
|
37,562
|
| Warren County, Missouri
|
35,649
|
| Monroe County, Illinois
|
34,637
|
| Jersey County, Illinois
|
21,773
|
| Bond County, Illinois
|
16,426
|
| Calhoun County, Illinois
|
4,739
|
| Farmington, MO μSA
|
67,215
|
Saint Francois County, Missouri
|
67,215
|
| Centralia, IL μSA
|
37,205
|
Marion County, Illinois
|
37,205
|
| Rockford-Freeport-Rochelle, IL CSA
|
431,257
|
Rockford, IL MSA
|
336,116
|
Winnebago County, Illinois
|
282,572
|
| Boone County, Illinois
|
53,544
|
| Rochelle, IL μSA
|
50,643
|
Ogle County, Illinois
|
50,643
|
| Freeport, IL μSA
|
44,498
|
Stephenson County, Illinois
|
44,498
|
| none
|
Peoria, IL MSA
|
400,561
|
Peoria County, Illinois
|
179,179
|
| Tazewell County, Illinois
|
131,803
|
| Woodford County, Illinois
|
38,459
|
| Fulton County, Illinois
|
34,340
|
| Marshall County, Illinois
|
11,438
|
| Stark County, Illinois
|
5,342
|
| Springfield-Jacksonville-Lincoln, IL CSA
|
306,399
|
Springfield, IL MSA
|
206,868
|
Sangamon County, Illinois
|
194,672
|
| Menard County, Illinois
|
12,196
|
| Jacksonville, IL μSA
|
38,609
|
Morgan County, Illinois
|
33,658
|
| Scott County, Illinois
|
4,951
|
| Taylorville, IL μSA
|
32,304
|
Christian County, Illinois
|
32,304
|
| Lincoln, IL μSA
|
28,618
|
Logan County, Illinois
|
28,618
|
| none
|
Champaign-Urbana, IL MSA
|
226,033
|
Champaign County, Illinois
|
209,689
|
| Piatt County, Illinois
|
16,344
|
| Bloomington-Pontiac, IL CSA
|
207,165
|
Bloomington, IL MSA
|
171,517
|
McLean County, Illinois
|
171,517
|
| Pontiac, IL μSA
|
35,648
|
Livingston County, Illinois
|
35,648
|
| Davenport-Moline, IA-IL CSA
|
468,265
206,229
|
Davenport-Moline-Rock Island, IA-IL MSA
|
379,172
206,229
|
Scott County, Iowa
|
172,943
|
| Rock Island County, Illinois
|
141,879
|
| Henry County, Illinois
|
48,913
|
| Mercer County, Illinois
|
15,437
|
| Clinton, IA μSA
|
46,429
|
Clinton County, Iowa
|
46,429
|
| Muscatine, IA μSA
|
42,664
|
Muscatine County, Iowa
|
42,664
|
| none
|
Carbondale-Marion, IL MSA
|
135,764
|
Williamson County, Illinois
|
67,597
|
| Jackson County, Illinois
|
56,750
|
| Johnson County, Illinois
|
12,417
|
| Decatur, IL MSA
|
104,009
|
Macon County, Illinois
|
104,009
|
| Dixon-Sterling, IL CSA
|
89,849
|
Sterling, IL μSA
|
55,175
|
Whiteside County, Illinois
|
55,175
|
| Dixon, IL μSA
|
34,096
|
Lee County, Illinois
|
34,096
|
| none
|
Danville, IL MSA
|
75,758
|
Vermilion County, Illinois
|
75,758
|
| Quincy-Hannibal, IL-MO CSA
|
114,050
65,435
|
Quincy, IL-MO μSA
|
75,211
65,435
|
Adams County, Illinois
|
65,435
|
| Lewis County, Missouri
|
9,776
|
| Hannibal, MO μSA
|
38,839
|
Marion County, Missouri
|
28,530
|
| Ralls County, Missouri
|
10,309
|
| none
|
Charleston–Mattoon, IL μSA
|
61,387
|
Coles County, Illinois
|
50,621
|
| Cumberland County, Illinois
|
10,766
|
| Galesburg, IL μSA
|
49,699
|
Knox County, Illinois
|
49,699
|
| Mount Vernon, IL μSA
|
37,684
|
Jefferson County, Illinois
|
37,684
|
| Effingham, IL μSA
|
34,008
|
Effingham County, Illinois
|
34,008
|
| Macomb, IL μSA
|
29,682
|
McDonough County, Illinois
|
29,682
|
| Burlington-Fort Madison-Keokuk, IA-IL-MO CSA
|
103,775
24,354
|
Fort Madison-Keokuk, IA-IL-MO μSA
|
58,162
17,708
|
Lee County, Iowa
|
33,657
|
| Hancock County, Illinois
|
17,708
|
| Clark County, Missouri
|
6,797
|
| Burlington, IA-IL μSA
|
45,613
6,646
|
Des Moines County, Iowa
|
38,967
|
| Henderson County, Illinois
|
6,646
|
| Paducah-Mayfield, KY-IL CSA
|
133,538
13,772
|
Paducah, KY-IL μSA
|
96,272
13,772
|
McCracken County, Kentucky
|
65,418
|
| Massac County, Illinois
|
13,772
|
| Livingston County, Kentucky
|
9,194
|
| Ballard County, Kentucky
|
7,888
|
| Mayfield, KY μSA
|
37,266
|
Graves County, Kentucky
|
37,266
|
| Cape Girardeau-Sikeston, MO-IL CSA
|
135,045
5,761
|
Cape Girardeau, MO-IL MSA
|
96,765
5,761
|
Cape Girardeau County, Missouri
|
78,871
|
| Bollinger County, Missouri
|
12,133
|
| Alexander County, Illinois
|
5,761
|
| Sikeston, MO μSA
|
38,280
|
Scott County, Missouri
|
38,280
|
| none
|
none
|
Franklin County, Illinois
|
38,469
|
| Randolph County, Illinois
|
31,782
|
| Montgomery County, Illinois
|
28,414
|
| Iroquois County, Illinois
|
27,114
|
| Saline County, Illinois
|
23,491
|
| Shelby County, Illinois
|
21,634
|
| Fayette County, Illinois
|
21,336
|
| Jo Daviess County, Illinois
|
21,235
|
| Perry County, Illinois
|
20,916
|
| Douglas County, Illinois
|
19,465
|
| Crawford County, Illinois
|
18,667
|
| Edgar County, Illinois
|
17,161
|
| Warren County, Illinois
|
16,844
|
| Union County, Illinois
|
16,653
|
| Wayne County, Illinois
|
16,215
|
| Lawrence County, Illinois
|
15,678
|
| DeWitt County, Illinois
|
15,638
|
| Pike County, Illinois
|
15,561
|
| Richland County, Illinois
|
15,513
|
| Clark County, Illinois
|
15,441
|
| Moultrie County, Illinois
|
14,501
|
| Carroll County, Illinois
|
14,305
|
| Washington County, Illinois
|
13,887
|
| White County, Illinois
|
13,537
|
| Mason County, Illinois
|
13,359
|
| Clay County, Illinois
|
13,184
|
| Greene County, Illinois
|
12,969
|
| Ford County, Illinois
|
12,961
|
| Cass County, Illinois
|
12,147
|
| Wabash County, Illinois
|
11,520
|
| Jasper County, Illinois
|
9,610
|
| Hamilton County, Illinois
|
8,116
|
| Schuyler County, Illinois
|
6,768
|
| Brown County, Illinois
|
6,578
|
| Edwards County, Illinois
|
6,395
|
| Pulaski County, Illinois
|
5,335
|
| Gallatin County, Illinois
|
4,828
|
| Pope County, Illinois
|
4,177
|
| Hardin County, Illinois
|
3,821
|
| State of Illinois
|
12,671,847
|
