Business establishments (QCEW) in Contra Costa County

Business establishments (QCEW) in Contra Costa County was 40,422 in 2025, according to the U.S. Bureau of Labor Statistics. That is up 2.4% from 2024. That is the 11th highest of 58 counties in 2025.

2025, count40,422

Change on 2024+2.4%

Rank11th of 58Counties in California ranked

Series high40,4222025

Series low25,9192001

Next release: Saturday, 21 August 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

Business establishments (QCEW) in Contra Costa County, 2001 to 2025

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, published 2026-08-21.

All 25 values

Period	count
2025	40,422
2024	39,474
2023	37,540
2022	36,591
2021	35,139
2020	34,370
2019	33,482
2018	32,671
2017	31,820
2016	31,198
2015	30,419
2014	29,524
2013	28,785
2012	28,785
2011	29,871
2010	29,151
2009	29,430
2008	29,450
2007	27,933
2006	28,002
2005	26,956
2004	27,373
2003	27,324
2002	26,968
2001	25,919

Compared with California and United States

Place	2025
Contra Costa County	40,422
California	1,877,156
United States	12,112,924

Contra Costa County compared with nearby places

Under 1,000
1,000 to 4,000
4,000 to 8,000
8,000 to 16K
16K to 43K
43K and over

Business establishments (QCEW), 2025, count. Contra Costa County is outlined. Same source and period for every area shown. Source: U.S. Bureau of Labor Statistics. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

US states by business establishments (QCEW) 51 places
Counties in California by business establishments (QCEW) 58 places

Definition

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.

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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/2025/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 (Business establishments (QCEW), Contra Costa County, 2001 to 2025) [Data set]. Retrieved October 12, 2026, from https://data.bls.gov/cew/data/api/2025/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, Business establishments (QCEW), Contra Costa County, 2001 to 2025. U.S. Bureau of Labor Statistics, 21 Aug. 2026, https://data.bls.gov/cew/data/api/2025/a/industry/10.csv. Invokely, https://invokely.ai/en/business-establishments/contra-costa-county-california. 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. Business establishments (QCEW), Contra Costa County, 2001 to 2025. Dataset. Accessed October 12, 2026. https://data.bls.gov/cew/data/api/2025/a/industry/10.csv. Also distributed by Invokely, https://invokely.ai/en/business-establishments/contra-costa-county-california.

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, Business establishments (QCEW), Contra Costa County, 2001 to 2025 [Dataset]. Available at: https://data.bls.gov/cew/data/api/2025/a/industry/10.csv, via Invokely: https://invokely.ai/en/business-establishments/contra-costa-county-california (Accessed: 12 October 2026).

BibTeX

@misc{bureau_business_establishments_qcew_contra_2025,
  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: Business establishments (QCEW), Contra Costa County, 2001 to 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://data.bls.gov/cew/data/api/2025/a/industry/10.csv},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/business-establishments/contra-costa-county-california. 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/2025/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: Business establishments (QCEW), Contra Costa County, 2001 to 2025
PY  - 2026
DA  - 2026/08/21
PB  - U.S. Bureau of Labor Statistics
DB  - Invokely
UR  - https://data.bls.gov/cew/data/api/2025/a/industry/10.csv
L2  - https://invokely.ai/en/business-establishments/contra-costa-county-california
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/business-establishments/contra-costa-county-california.
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/2025/a/industry/10.csv. Retrieved 2026-10-12.
ER  -

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Questions

What is the business establishments (QCEW) in Contra Costa County?

Business establishments (QCEW) in Contra Costa County was 40,422 in 2025, according to the U.S. Bureau of Labor Statistics. That is up 2.4% from 2024. That is the 11th highest of 58 counties in 2025.

Where does this figure come from?

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 by Invokely on 2026-10-12.

What was the highest business establishments (QCEW) in Contra Costa County?

40,422 in 2025, the highest value since 2001 in this series.

Related statistics for Contra Costa County

All statistics for Contra Costa County | Contra Costa County in figures