Counties in Iowa by business establishments (QCEW)

Polk County had the highest business establishments (QCEW) of 99 counties in 2020, at 18,429. Adams County had the lowest, at 158. The median was 519 and the figure for Iowa was 105,097. Source: the U.S. Bureau of Labor Statistics.

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Highest18,429Polk County
Lowest158Adams County
Median51999 counties
Iowa105,097History

Map of counties, 2020

Adair County: 318 countAdams County: 158 countAllamakee County: 464 countAppanoose County: 374 countAudubon County: 229 countBenton County: 675 countBlack Hawk County: 3,867 countBoone County: 741 countBremer County: 722 countBuchanan County: 638 countBuena Vista County: 664 countButler County: 432 countCalhoun County: 315 countCarroll County: 966 countCass County: 558 countCedar County: 583 countCerro Gordo County: 1,671 countCherokee County: 454 countChickasaw County: 442 countClarke County: 242 countClay County: 737 countClayton County: 628 countClinton County: 1,422 countCrawford County: 506 countDallas County: 2,852 countDavis County: 243 countDecatur County: 230 countDelaware County: 603 countDes Moines County: 1,364 countDickinson County: 901 countDubuque County: 3,393 countEmmet County: 324 countFayette County: 686 countFloyd County: 488 countFranklin County: 380 countFremont County: 287 countGreene County: 319 countGrundy County: 375 countGuthrie County: 369 countHamilton County: 480 countHancock County: 378 countHardin County: 675 countHarrison County: 447 countHenry County: 621 countHoward County: 334 countHumboldt County: 354 countIda County: 307 countIowa County: 706 countJackson County: 689 countJasper County: 952 countJefferson County: 775 countJohnson County: 4,491 countJones County: 644 countKeokuk County: 317 countKossuth County: 636 countLee County: 1,060 countLinn County: 7,138 countLouisa County: 276 countLucas County: 247 countLyon County: 520 countMadison County: 519 countMahaska County: 641 countMarion County: 1,026 countMarshall County: 1,023 countMills County: 400 countMitchell County: 389 countMonona County: 297 countMonroe County: 244 countMontgomery County: 377 countMuscatine County: 1,213 countO'Brien County: 596 countOsceola County: 256 countPage County: 493 countPalo Alto County: 344 countPlymouth County: 824 countPocahontas County: 283 countPolk County: 18,429 countPottawattamie County: 2,571 countPoweshiek County: 691 countRinggold County: 186 countSac County: 397 countScott County: 5,802 countShelby County: 429 countSioux County: 1,522 countStory County: 2,734 countTama County: 442 countTaylor County: 200 countUnion County: 445 countVan Buren County: 219 countWapello County: 873 countWarren County: 1,199 countWashington County: 806 countWayne County: 183 countWebster County: 1,201 countWinnebago County: 401 countWinneshiek County: 743 countWoodbury County: 3,243 countWorth County: 240 countWright County: 506 count
  • Under 300
  • 300 to 400
  • 400 to 500
  • 500 to 700
  • 700 to 1,200
  • 1,200 and over
count, 2020. Source: BLS, Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2020

Polk County: 18,429 countPolk County18,429Linn County: 7,138 countLinn County7,138Scott County: 5,802 countScott County5,802Johnson County: 4,491 countJohnson County4,491Black Hawk County: 3,867 countBlack Hawk County3,867Dubuque County: 3,393 countDubuque County3,393Woodbury County: 3,243 countWoodbury County3,243Dallas County: 2,852 countDallas County2,852Story County: 2,734 countStory County2,734Pottawattamie County: 2,571 countPottawattamie County2,571Cerro Gordo County: 1,671 countCerro Gordo County1,671Sioux County: 1,522 countSioux County1,522Clinton County: 1,422 countClinton County1,422Des Moines County: 1,364 countDes Moines County1,364Muscatine County: 1,213 countMuscatine County1,213Webster County: 1,201 countWebster County1,201Warren County: 1,199 countWarren County1,199Lee County: 1,060 countLee County1,060Marion County: 1,026 countMarion County1,026Marshall County: 1,023 countMarshall County1,023Carroll County: 966 countCarroll County966Jasper County: 952 countJasper County952Dickinson County: 901 countDickinson County901Wapello County: 873 countWapello County873Plymouth County: 824 countPlymouth County824Washington County: 806 countWashington County806Jefferson County: 775 countJefferson County775Winneshiek County: 743 countWinneshiek County743Boone County: 741 countBoone County741Clay County: 737 countClay County737Bremer County: 722 countBremer County722Iowa County: 706 countIowa County706Poweshiek County: 691 countPoweshiek County691Jackson County: 689 countJackson County689Fayette County: 686 countFayette County686Benton County: 675 countBenton County675Hardin County: 675 countHardin County675Buena Vista County: 664 countBuena Vista County664Jones County: 644 countJones County644Mahaska County: 641 countMahaska County641Polk County: 18,429 countPolk County18,429Linn County: 7,138 countLinn County7,138Scott County: 5,802 countScott County5,802Johnson County: 4,491 countJohnson County4,491Black Hawk County: 3,867 countBlack Hawk County3,867Dubuque County: 3,393 countDubuque County3,393Woodbury County: 3,243 countWoodbury County3,243Dallas County: 2,852 countDallas County2,852Story County: 2,734 countStory County2,734Pottawattamie County: 2,571 countPottawattamie County2,571Cerro Gordo County: 1,671 countCerro Gordo County1,671Sioux County: 1,522 countSioux County1,522Clinton County: 1,422 countClinton County1,422Des Moines County: 1,364 countDes Moines County1,364Muscatine County: 1,213 countMuscatine County1,213Webster County: 1,201 countWebster County1,201Warren County: 1,199 countWarren County1,199Lee County: 1,060 countLee County1,060Marion County: 1,026 countMarion County1,026Marshall County: 1,023 countMarshall County1,023Carroll County: 966 countCarroll County966Jasper County: 952 countJasper County952Dickinson County: 901 countDickinson County901Wapello County: 873 countWapello County873Plymouth County: 824 countPlymouth County824Washington County: 806 countWashington County806Jefferson County: 775 countJefferson County775Winneshiek County: 743 countWinneshiek County743Boone County: 741 countBoone County741Clay County: 737 countClay County737Bremer County: 722 countBremer County722Iowa County: 706 countIowa County706Poweshiek County: 691 countPoweshiek County691Jackson County: 689 countJackson County689Fayette County: 686 countFayette County686Benton County: 675 countBenton County675Hardin County: 675 countHardin County675Buena Vista County: 664 countBuena Vista County664Jones County: 644 countJones County644Mahaska County: 641 countMahaska County641
count. Source: BLS, Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2020
count
Change on 2019
1Polk County18,429+1.6%
2Linn County7,138+1%
3Scott County5,802+0.5%
4Johnson County4,491+2.1%
5Black Hawk County3,867-0.4%
6Dubuque County3,393+0.7%
7Woodbury County3,243+0.7%
8Dallas County2,852+4.5%
9Story County2,734+2.3%
10Pottawattamie County2,5710%
11Cerro Gordo County1,671-0.9%
12Sioux County1,522+1.2%
13Clinton County1,422-0.2%
14Des Moines County1,364-0.4%
15Muscatine County1,213+0.6%
16Webster County1,201-0.7%
17Warren County1,199+4.7%
18Lee County1,060-0.2%
19Marion County1,026+1.4%
20Marshall County1,023+0.1%
21Carroll County966-1.6%
22Jasper County952+0.6%
23Dickinson County901+0.3%
24Wapello County873-1.1%
25Plymouth County824+0.4%
26Washington County806+2%
27Jefferson County775+0.1%
28Winneshiek County743+0.7%
29Boone County741+0.1%
30Clay County737-0.7%
31Bremer County722+1%
32Iowa County706+0.1%
33Poweshiek County691+0.9%
34Jackson County689-0.3%
35Fayette County686+0.3%
36Benton County675-1.7%
36Hardin County675-0.6%
38Buena Vista County664+0.5%
39Jones County644-0.6%
40Mahaska County641+0.3%
41Buchanan County6380%
42Kossuth County636+0.5%
43Clayton County628+0.2%
44Henry County621-1.4%
45Delaware County603+1.5%
46O'Brien County596-1.3%
47Cedar County583+0.7%
48Cass County558+0.2%
49Lyon County520+1.6%
50Madison County519+2.8%
51Crawford County506+1.4%
51Wright County506+1.8%
53Page County493-0.2%
54Floyd County488-2.6%
55Hamilton County480-0.8%
56Allamakee County464-1.5%
57Cherokee County454+2.3%
58Harrison County447-0.9%
59Union County445+1.1%
60Chickasaw County442+0.2%
60Tama County442+1.4%
62Butler County432+1.4%
63Shelby County429-2.5%
64Winnebago County401+0.3%
65Mills County400-1%
66Sac County397+1.5%
67Mitchell County389-1%
68Franklin County380+0.5%
69Hancock County378-0.5%
70Montgomery County377-3.1%
71Grundy County375+0.8%
72Appanoose County374+2.7%
73Guthrie County369+0.8%
74Humboldt County354-0.8%
75Palo Alto County344-2.3%
76Howard County3340%
77Emmet County324-3%
78Greene County319-0.3%
79Adair County318+3.2%
80Keokuk County317-0.3%
81Calhoun County315-0.9%
82Ida County307-0.3%
83Monona County297-1.7%
84Fremont County287+4.7%
85Pocahontas County283-0.7%
86Louisa County276+1.8%
87Osceola County2560%
88Lucas County247+2.1%
89Monroe County244+0.8%
90Davis County243-0.4%
91Clarke County242+0.8%
92Worth County240-1.2%
93Decatur County2300%
94Audubon County229+0.9%
95Van Buren County219+2.8%
96Taylor County200+4.7%
97Ringgold County186-0.5%
98Wayne County183-3.2%
99Adams County158+0.6%

Other periods

About this ranking

Average number of establishments with jobs covered by unemployment insurance during the year, all industries, private and government, from the Quarterly Census of Employment and Wages (QCEW) of the U.S. Bureau of Labor Statistics. An establishment is a single place of business, such as a factory, store or office; a company with several locations has several.

Counts places of business, not firms: for firms use employer_firms. Changes in how large employers report their locations can move the count without any change in activity.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Bureau of Labor Statistics. Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties. https://data.bls.gov/cew/data/api/2020/a/industry/10.csv. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Bureau of Labor Statistics. (2026). Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties (Counties in Iowa by business establishments (QCEW), 2020) [Data set]. Retrieved October 12, 2026, from https://data.bls.gov/cew/data/api/2020/a/industry/10.csv

MLA 9

Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties, Counties in Iowa by business establishments (QCEW), 2020. U.S. Bureau of Labor Statistics, 21 Aug. 2026, https://data.bls.gov/cew/data/api/2020/a/industry/10.csv. Invokely, https://invokely.ai/rankings/business-establishments/iowa-counties?period=2020. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Bureau of Labor Statistics. 2026. Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties. Counties in Iowa by business establishments (QCEW), 2020. Dataset. Accessed October 12, 2026. https://data.bls.gov/cew/data/api/2020/a/industry/10.csv. Also distributed by Invokely, https://invokely.ai/rankings/business-establishments/iowa-counties?period=2020.

Harvard

U.S. Bureau of Labor Statistics (2026) Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties, Counties in Iowa by business establishments (QCEW), 2020 [Dataset]. Available at: https://data.bls.gov/cew/data/api/2020/a/industry/10.csv, via Invokely: https://invokely.ai/rankings/business-establishments/iowa-counties?period=2020 (Accessed: 12 October 2026).

BibTeX
@misc{bureau_counties_in_iowa_by_2020,
  author = {{U.S. Bureau of Labor Statistics}},
  title = {{Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties: Counties in Iowa by business establishments (QCEW), 2020}},
  year = {2026},
  howpublished = {Data set},
  url = {https://data.bls.gov/cew/data/api/2020/a/industry/10.csv},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/business-establishments/iowa-counties?period=2020. Publisher attribution: U.S. Bureau of Labor Statistics. Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties. https://data.bls.gov/cew/data/api/2020/a/industry/10.csv. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Bureau of Labor Statistics
TI  - Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties: Counties in Iowa by business establishments (QCEW), 2020
PY  - 2026
DA  - 2026/08/21
PB  - U.S. Bureau of Labor Statistics
DB  - Invokely
UR  - https://data.bls.gov/cew/data/api/2020/a/industry/10.csv
L2  - https://invokely.ai/rankings/business-establishments/iowa-counties?period=2020
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/business-establishments/iowa-counties?period=2020.
N1  - Publisher attribution: U.S. Bureau of Labor Statistics. Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties. https://data.bls.gov/cew/data/api/2020/a/industry/10.csv. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest business establishments (QCEW)?

Polk County, with 18,429 in 2020, according to the U.S. Bureau of Labor Statistics.

Which county has the lowest business establishments (QCEW)?

Adams County, with 158 in 2020.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages (QCEW): annual average establishments, total covered, all industries (NAICS 10), nation, states and counties. Retrieved 2026-10-12.

Business establishments (QCEW): other rankings

Counties in Iowa: more rankings