Counties in Maryland by business establishments (QCEW)

Montgomery County had the highest business establishments (QCEW) of 24 counties in 2024, at 35,443. Somerset County had the lowest, at 452. The median was 2,556 and the figure for Maryland was 196,050. Source: the U.S. Bureau of Labor Statistics.

Highest35,443Montgomery County

Lowest452Somerset County

Median2,55624 counties

Maryland196,050History

Map of counties, 2024

Under 1,400
1,400 to 2,100
2,100 to 3,600
3,600 to 13K
13K and over

count, 2024. 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, 2024

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	2024 count	Change on 2023
1	Montgomery County	35,443	+2%
2	Baltimore County	23,271	+2.1%
3	Prince George's County	18,770	+4.2%
4	Anne Arundel County	15,974	-3.6%
5	Baltimore city	14,856	+2.5%
6	Howard County	11,342	+2.9%
7	Frederick County	7,170	-1.1%
8	Harford County	6,155	-2.3%
9	Carroll County	4,506	-1.2%
10	Washington County	3,704	+2.6%
11	Charles County	3,283	+3.7%
12	Wicomico County	2,657	+2.7%
13	Worcester County	2,455	+4.9%
14	St. Mary's County	2,185	-2.5%
15	Calvert County	2,022	+3.7%
16	Cecil County	1,963	-0.9%
17	Queen Anne's County	1,637	+3.4%
18	Talbot County	1,596	+0.8%
19	Allegany County	1,577	+0.6%
20	Garrett County	1,168	+7%
21	Dorchester County	798	+2%
22	Kent County	750	-1.4%
23	Caroline County	732	+1%
24	Somerset County	452	+1.8%

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/2024/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 Maryland by business establishments (QCEW), 2024) [Data set]. Retrieved October 12, 2026, from https://data.bls.gov/cew/data/api/2024/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 Maryland by business establishments (QCEW), 2024. U.S. Bureau of Labor Statistics, 21 Aug. 2026, https://data.bls.gov/cew/data/api/2024/a/industry/10.csv. Invokely, https://invokely.ai/rankings/business-establishments/maryland-counties?period=2024. 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 Maryland by business establishments (QCEW), 2024. Dataset. Accessed October 12, 2026. https://data.bls.gov/cew/data/api/2024/a/industry/10.csv. Also distributed by Invokely, https://invokely.ai/rankings/business-establishments/maryland-counties?period=2024.

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 Maryland by business establishments (QCEW), 2024 [Dataset]. Available at: https://data.bls.gov/cew/data/api/2024/a/industry/10.csv, via Invokely: https://invokely.ai/rankings/business-establishments/maryland-counties?period=2024 (Accessed: 12 October 2026).

BibTeX

@misc{bureau_counties_in_maryland_by_2024,
  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 Maryland by business establishments (QCEW), 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://data.bls.gov/cew/data/api/2024/a/industry/10.csv},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/business-establishments/maryland-counties?period=2024. 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/2024/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 Maryland by business establishments (QCEW), 2024
PY  - 2026
DA  - 2026/08/21
PB  - U.S. Bureau of Labor Statistics
DB  - Invokely
UR  - https://data.bls.gov/cew/data/api/2024/a/industry/10.csv
L2  - https://invokely.ai/rankings/business-establishments/maryland-counties?period=2024
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/business-establishments/maryland-counties?period=2024.
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/2024/a/industry/10.csv. Retrieved 2026-10-12.
ER  -

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Rank Counties in Maryland by business establishments (QCEW) using official data, and cite the source.

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

Which county has the highest business establishments (QCEW)?

Montgomery County, with 35,443 in 2024, according to the U.S. Bureau of Labor Statistics.

Which county has the lowest business establishments (QCEW)?

Somerset County, with 452 in 2024.

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.