Counties in Arizona by business establishments (QCEW)

Maricopa County had the highest business establishments (QCEW) of 15 counties in 2020, at 110,029. Greenlee County had the lowest, at 91. The median was 2,293 and the figure for Arizona was 169,862. Source: the U.S. Bureau of Labor Statistics.

Highest110,029Maricopa County

Lowest91Greenlee County

Median2,29315 counties

Arizona169,862History

Map of counties, 2020

Under 1,000
1,000 to 3,000
3,000 to 4,000
4,000 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.

All counties, 2020

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

Rank	Counties	2020 count	Change on 2019
1	Maricopa County	110,029	+5.1%
2	Pima County	19,177	+1.1%
3	Yavapai County	5,922	+2%
4	Mohave County	3,955	+3.5%
5	Coconino County	3,479	+1.7%
6	Pinal County	3,362	+3.5%
7	Yuma County	3,319	+0.7%
8	Cochise County	2,293	+1%
9	Navajo County	1,670	+0.9%
10	Santa Cruz County	1,142	-1.6%
11	Gila County	977	+0.4%
12	Apache County	615	0%
13	Graham County	559	+1.1%
14	La Paz County	360	+1.1%
15	Greenlee County	91	-5.2%

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 Arizona 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 Arizona 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/arizona-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 Arizona 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/arizona-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 Arizona 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/arizona-counties?period=2020 (Accessed: 12 October 2026).

BibTeX

@misc{bureau_counties_in_arizona_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 Arizona 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/arizona-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 Arizona 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/arizona-counties?period=2020
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/business-establishments/arizona-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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Rank Counties in Arizona by business establishments (QCEW) using official data, and cite the source.

rank_places {"indicator":"establishments_qcew","level":"province","within":"Arizona","limit":10}
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Questions

Which county has the highest business establishments (QCEW)?

Maricopa County, with 110,029 in 2020, according to the U.S. Bureau of Labor Statistics.

Which county has the lowest business establishments (QCEW)?

Greenlee County, with 91 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.