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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).
Most recently on December 1, 2009, the Office of Management and Budget defined 1067 statistical areas for the United States,[ 4] including 4 combined statistical areas, 9 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 .
An enlargeable map of the 99 counties of the State of Iowa
Table
The
factual accuracy of parts of this article (those related to table)
may be compromised due to out-of-date information .
Please help update this article to reflect recent events or newly available information. (August 2012 )
The table below describes the 28 United States statistical areas and 99 counties of the State of Iowa with the following information:[ 5]
The combined statistical area (CSA) as designated by the OMB.[ 4]
The CSA population as of July 1, 2008, as estimated by the United States Census Bureau .[ 6]
The core based statistical area (CBSA)[ 7] as designated by the OMB.[ 4]
The CBSA population as of July 1, 2008, as estimated by the United States Census Bureau.[ 8]
The county name.[ 9]
The county population as of July 1, 2008, as estimated by the United States Census Bureau.[ 9]
The 28 United States statistical areas and 99 counties of the State of Iowa
Combined Statistical Area
2008 Population
Core Based Statistical Area
2008 Population
County
2008 Population
Des Moines-Newton-Pella, IA CSA
625,384
Des Moines-West Des Moines, IA MSA
556,230
Polk County, Iowa
424,778
Dallas County, Iowa
59,930
Warren County, Iowa
45,059
Madison County, Iowa
15,507
Guthrie County, Iowa
10,956
Newton, IA μSA
36,583
Jasper County, Iowa
36,583
Pella, IA μSA
32,571
Marion County, Iowa
32,571
none
Cedar Rapids, IA MSA
255,452
Linn County, Iowa
208,574
Benton County, Iowa
26,532
Jones County, Iowa
20,346
Davenport-Moline-Rock Island, IA-IL MSA
377,626 164,690
Scott County, Iowa
164,690
Rock Island County, Illinois
146,886
Henry County, Illinois
49,569
Mercer County, Illinois
16,481
Waterloo-Cedar Falls, IA MSA
162,263
Black Hawk County, Iowa
126,106
Bremer County, Iowa
23,837
Grundy County, Iowa
12,320
Iowa City, IA MSA
152,263
Johnson County, Iowa
131,005
Washington County, Iowa
21,258
Omaha-Council Bluffs-Fremont, NE-IA CSA
858,720 121,558
Omaha-Council Bluffs, NE-IA MSA
822,549 121,558
Douglas County, Nebraska
492,003
Sarpy County, Nebraska
142,637
Pottawattamie County, Iowa
90,218
Cass County, Nebraska
25,963
Saunders County, Nebraska
20,344
Washington County, Nebraska
20,044
Harrison County, Iowa
15,745
Mills County, Iowa
15,595
Fremont, NE μSA
36,171
Dodge County, Nebraska
36,171
Ames-Boone, IA CSA
106,729
Ames, IA MSA
80,145
Story County, Iowa
80,145
Boone, IA μSA
26,584
Boone County, Iowa
26,584
Sioux City-Vermillion, IA-NE-SD CSA
156,341 102,972
Sioux City, IA-NE-SD MSA
143,474 102,972
Woodbury County, Iowa
102,972
Dakota County, Nebraska
20,587
Union County, South Dakota
13,745
Dixon County, Nebraska
6,170
Vermillion, SD μSA
12,867
Clay County, South Dakota
12,867
none
Dubuque, IA MSA
92,384
Dubuque County, Iowa
92,384
Muscatine, IA μSA
54,741
Muscatine County, Iowa
42,883
Louisa County, Iowa
11,858
Mason City, IA μSA
52,082
Cerro Gordo County, Iowa
44,384
Worth County, Iowa
7,698
Clinton, IA μSA
49,782
Clinton County, Iowa
49,782
Burlington, IA-IL μSA
48,704 40,885
Des Moines County, Iowa
40,885
Henderson County, Illinois
7,819
Marshalltown, IA μSA
39,555
Marshall County, Iowa
39,555
Fort Dodge, IA μSA
38,960
Webster County, Iowa
38,960
Fort Madison-Keokuk, IA-MO μSA
43,643 36,338
Lee County, Iowa
36,338
Clark County, Missouri
7,305
Ottumwa, IA μSA
36,010
Wapello County, Iowa
36,010
Oskaloosa, IA μSA
22,298
Mahaska County, Iowa
22,298
Storm Lake, IA μSA
20,091
Buena Vista County, Iowa
20,091
Spirit Lake, IA μSA
16,924
Dickinson County, Iowa
16,924
Spencer, IA μSA
16,801
Clay County, Iowa
16,801
none
Sioux County, Iowa
32,525
Plymouth County, Iowa
24,906
Winneshiek County, Iowa
21,263
Buchanan County, Iowa
21,045
Fayette County, Iowa
20,996
Carroll County, Iowa
20,963
Henry County, Iowa
20,405
Jackson County, Iowa
20,290
Poweshiek County, Iowa
19,007
Cedar County, Iowa
18,326
Clayton County, Iowa
18,251
Tama County, Iowa
17,890
Delaware County, Iowa
17,848
Hardin County, Iowa
17,791
Crawford County, Iowa
16,948
Floyd County, Iowa
16,441
Page County, Iowa
16,263
Iowa County, Iowa
16,140
Hamilton County, Iowa
16,087
Kossuth County, Iowa
16,011
Jefferson County, Iowa
15,945
Butler County, Iowa
15,073
Allamakee County, Iowa
14,796
O'Brien County, Iowa
14,409
Cass County, Iowa
14,124
Appanoose County, Iowa
13,422
Wright County, Iowa
13,419
Shelby County, Iowa
12,489
Chickasaw County, Iowa
12,412
Cherokee County, Iowa
12,094
Union County, Iowa
12,093
Hancock County, Iowa
11,680
Lyon County, Iowa
11,636
Montgomery County, Iowa
11,365
Winnebago County, Iowa
11,216
Keokuk County, Iowa
11,081
Mitchell County, Iowa
10,856
Franklin County, Iowa
10,708
Sac County, Iowa
10,682
Emmet County, Iowa
10,479
Calhoun County, Iowa
10,437
Humboldt County, Iowa
9,975
Greene County, Iowa
9,809
Howard County, Iowa
9,677
Palo Alto County, Iowa
9,549
Lucas County, Iowa
9,543
Monona County, Iowa
9,343
Clarke County, Iowa
9,156
Decatur County, Iowa
8,656
Davis County, Iowa
8,602
Van Buren County, Iowa
7,836
Pocahontas County, Iowa
7,794
Fremont County, Iowa
7,737
Monroe County, Iowa
7,725
Adair County, Iowa
7,714
Ida County, Iowa
7,180
Osceola County, Iowa
6,629
Wayne County, Iowa
6,542
Taylor County, Iowa
6,540
Audubon County, Iowa
6,278
Ringgold County, Iowa
5,289
Adams County, Iowa
4,192
State of Iowa
See also
References
^ 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.
^ 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.
^ 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.
^ a b c "OMB Bulletin No. 10-02: Update of Statistical Area Definitions and Guidance on Their Uses" (PDF) . United States Office of Management and Budget . December 1, 2009. Retrieved August 8, 2012 .
^ 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.
^ "Table 2. Annual Estimates of the Population of Combined Statistical Areas: April 1, 2000 to July 1, 2008" (CSV ) . 2008 Population Estimates . United States Census Bureau , Population Division. April 2009. Retrieved August 10, 2012 .
^ 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 .
^ "Table 1. Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas: April 1, 2000 to July 1, 2008" (CSV ) . 2008 Population Estimates . United States Census Bureau , Population Division. April 2009. Retrieved August 10, 2012 .
^ a b "Annual Estimates of the Resident Population for Counties and County-Equivalents: April 1, 2000 to July 1, 2008" (CSV ) . 2008 Population Estimates . United States Census Bureau , Population Division. April 2009. Retrieved August 10, 2012 .
External links