Iowa statistical areas

The statistical areas of the United States of America comprise the metropolitan statistical areas (MSAs),[1] the micropolitan statistical areas (μSAs),[2] and the combined statistical areas (CSAs)[3] currently defined by the United States Office of Management and Budget (OMB).

An enlargeable map of the 99 counties of the State of Iowa

Most recently on March 6, 2020, the Office of Management and Budget defined 1114 statistical areas for the United States,[4] including six combined statistical areas, nine metropolitan statistical areas, and 15 micropolitan statistical areas in the State of Iowa. The table below shows the recent population of these statistical areas and the 99 counties of Iowa.

Table

The table below describes the 30 United States statistical areas and 99 counties of the State of Iowa with the following information:[5]

  1. The combined statistical area (CSA) as designated by the OMB.[4]
  2. The CSA population according to 2019 US Census Bureau population estimates.[6]
  3. The core based statistical area (CBSA)[7] as designated by the OMB.[4]
  4. The CBSA population according to 2019 US Census Bureau population estimates [6]
  5. The county name
  6. The county population according to 2019 US Census Bureau population estimates [6]
The 30 United States statistical areas and 99 counties of the State of Iowa

Combined Statistical Area 2019 Population Core Based Statistical Area 2019 Population County 2019 Population
Des Moines-Ames-West Des Moines, IA CSA 877,991 Des Moines-West Des Moines, IA MSA 699,292 Polk County, Iowa 490,161
Dallas County, Iowa 93,453
Warren County, Iowa 51,466
Jasper County, Iowa 37,185
Madison County, Iowa 16,338
Guthrie County, Iowa 10,689
Ames, IA MSA 123,351 Story County, Iowa 97,117
Boone County, Iowa 26,234
Pella, IA μSA 33,253 Marion County, Iowa 33,253
Oskaloosa, IA μSA 22,095 Mahaska County, Iowa 22,095
Cedar Rapids-Iowa City, IA CSA 446,137 Cedar Rapids, IA MSA 273,032 Linn County, Iowa 226,706
Benton County, Iowa 25,645
Jones County, Iowa 20,681
Iowa City, IA MSA 173,105 Johnson County, Iowa 151,140
Washington County, Iowa 21,965
Davenport-Moline, IA-IL CSA 468,265
262,036
Davenport-Moline-Rock Island, IA-IL MSA 379,172
172,943
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 Waterloo-Cedar Falls, IA MSA 168,522 Black Hawk County, Iowa 131,228
Bremer County, Iowa 25,062
Grundy County, Iowa 12,232
Omaha-Council Bluffs-Fremont, NE-IA CSA 986,007
122,364
Omaha-Council Bluffs, NE-IA MSA 949,442
122,364
Douglas County, Nebraska 571,327
Sarpy County, Nebraska 187,196
Pottawattamie County, Iowa 93,206
Cass County, Nebraska 26,248
Saunders County, Nebraska 21,578
Washington County, Nebraska 20,729
Mills County, Iowa 15,109
Harrison County, Iowa 14,049
Fremont, NE μSA 36,565 Dodge County, Nebraska 36,565
none Sioux City, IA-NE-SD MSA 144,701
103,107
Woodbury County, Iowa 103,107
Dakota County, Nebraska 20,026
Union County, South Dakota 15,932
Dixon County, Nebraska 5,636
Dubuque, IA MSA 97,311 Dubuque County, Iowa 97,311
Burlington-Fort Madison-Keokuk, IA-IL-MO CSA 103,775
72,624
Fort Madison-Keokuk, IA-IL-MO μSA 58,162
33,657
Lee County, Iowa 33,657
Hancock County, Illinois 17,708
Clark County, Missouri 6,797
Burlington, IA-IL μSA 45,613
38,967
Des Moines County, Iowa 38,967
Henderson County, Illinois 6,646
none Mason City, IA μSA 49,831 Cerro Gordo County, Iowa 42,450
Worth County, Iowa 7,381
Marshalltown, IA μSA 39,369 Marshall County, Iowa 39,369
Fort Dodge, IA μSA 35,904 Webster County, Iowa 35,904
Ottumwa, IA μSA 34,969 Wapello County, Iowa 34,969
Spencer-Spirit Lake, IA CSA 33,274 Spirit Lake, IA μSA 17,258 Dickinson County, Iowa 17,258
Spencer, IA μSA 16,016 Clay County, Iowa 16,016
none Carroll, IA μSA 20,165 Carroll County, Iowa 20,165
Storm Lake, IA μSA 19,620 Buena Vista County, Iowa 19,620
Fairfield, IA μSA 18,295 Jefferson County, Iowa 18,295
none Sioux County, Iowa 34,855
Plymouth County, Iowa 25,177
Buchanan County, Iowa 21,175
Winneshiek County, Iowa 19,991
Henry County, Iowa 19,954
Fayette County, Iowa 19,650
Jackson County, Iowa 19,439
Cedar County, Iowa 18,627
Poweshiek County, Iowa 18,504
Clayton County, Iowa 17,549
Delaware County, Iowa 17,011
Tama County, Iowa 16,854
Hardin County, Iowa 16,846
Crawford County, Iowa 16,820
Iowa County, Iowa 16,184
Floyd County, Iowa 15,642
Page County, Iowa 15,107
Kossuth County, Iowa 14,813
Hamilton County, Iowa 14,773
Butler County, Iowa 14,439
O'Brien County, Iowa 13,753
Allamakee County, Iowa 13,687
Cass County, Iowa 12,836
Wright County, Iowa 12,562
Appanoose County, Iowa 12,426
Union County, Iowa 12,241
Chickasaw County, Iowa 11,933
Lyon County, Iowa 11,755
Shelby County, Iowa 11,454
Cherokee County, Iowa 11,235
Louisa County, Iowa 11,035
Hancock County, Iowa 10,630
Mitchell County, Iowa 10,586
Winnebago County, Iowa 10,354
Keokuk County, Iowa 10,246
Franklin County, Iowa 10,070
Montgomery County, Iowa 9,917
Sac County, Iowa 9,721
Calhoun County, Iowa 9,668
Humboldt County, Iowa 9,558
Clarke County, Iowa 9,395
Emmet County, Iowa 9,208
Howard County, Iowa 9,158
Davis County, Iowa 9,000
Greene County, Iowa 8,888
Palo Alto County, Iowa 8,886
Monona County, Iowa 8,615
Lucas County, Iowa 8,600
Decatur County, Iowa 7,870
Monroe County, Iowa 7,707
Adair County, Iowa 7,152
Van Buren County, Iowa 7,044
Fremont County, Iowa 6,960
Ida County, Iowa 6,860
Pocahontas County, Iowa 6,619
Wayne County, Iowa 6,441
Taylor County, Iowa 6,121
Osceola County, Iowa 5,958
Audubon County, Iowa 5,496
Ringgold County, Iowa 4,894
Adams County, Iowa 3,602
State of Iowa 3,155,070


See also

References

  1. The United States Office of Management and Budget (OMB) defines a metropolitan statistical area (MSA) as a core based statistical area having at least one urbanized area of 50,000 or more population, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties.
  2. The United States Office of Management and Budget (OMB) defines a micropolitan statistical area (μSA) as a core based statistical area having at least one urban cluster of at least 10,000 but less than 50,000 population, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties.
  3. The United States Office of Management and Budget (OMB) defines a combined statistical area (CSA) as an aggregate of adjacent core based statistical areas that are linked by commuting ties.
  4. OMB BULLETIN NO. 20-01: Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas Archived 2020-04-20 at the Wayback Machine. Office of Management and Budget. March 6, 2020.
  5. An out-of-state area and its population are displayed in green. An area that extends into more than one state is displayed in teal. A teal population number over a black population number show the total population versus the in-state population.
  6. "Annual Estimates of the Resident Population for Counties in the United States: April 1, 2010 to July 1, 2019". United States Census Bureau, Population Division. April 2020. Retrieved April 9, 2020.
  7. The United States Office of Management and Budget (OMB) defines a core based statistical area as one or more adjacent counties or county-equivalents having at least one urban cluster of at least 10,000 population, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties. The core based statistical areas comprise the metropolitan statistical areas and the micropolitan statistical areas.
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