Data / Employer establishments: professional, scientific and technical services / Illinois

Employer establishments: professional, scientific and technical services in Illinois

Employer establishments: professional, scientific and technical services in Illinois was 37,946 in 2023, according to the U.S. Census Bureau. That is down 0.2% from 2022. That is the 5th highest of 51 states in 2023.

2023, count37,946
Change on 2022-0.2%
Rank5th of 51US states ranked
Series high39,1322015
Series low37,9462023

Next release: Thursday, 24 June 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Employer establishments: professional, scientific and technical services in Illinois, 2012 to 2023

37.8K38K38.3K38.5K38.8K39K39.3K2012201420162018202020232012: 38,807 count2013: 38,766 count2014: 38,986 count2015: 39,132 count2016: 38,929 count2017: 38,797 count2018: 38,599 count2019: 38,263 count2020: 38,239 count2021: 38,314 count2022: 38,012 count2023: 37,946 count37.5K38K38.5K39K39.5K20122016202020232012: 38,807 count2013: 38,766 count2014: 38,986 count2015: 39,132 count2016: 38,929 count2017: 38,797 count2018: 38,599 count2019: 38,263 count2020: 38,239 count2021: 38,314 count2022: 38,012 count2023: 37,946 count
count. Source: U.S. Census Bureau, County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms. Retrieved 2026-10-12, published 2025-06-26.
All 12 values
Periodcount
202337,946
202238,012
202138,314
202038,239
201938,263
201838,599
201738,797
201638,929
201539,132
201438,986
201338,766
201238,807

Compared with United States

Place2023
Illinois37,946
United States989,182

Illinois compared with nearby places

Alabama: 9,813 countAlaska: 1,988 countArizona: 20,816 countArkansas: 6,260 countCalifornia: 143,863 countColorado: 28,143 countConnecticut: 9,275 countDelaware: 4,429 countDistrict of Columbia: 5,738 countFlorida: 94,623 countGeorgia: 33,198 countHawaii: 3,464 countIdaho: 5,944 countIllinois: 37,946 countIndiana: 13,501 countIowa: 6,474 countKansas: 7,236 countKentucky: 8,370 countLouisiana: 12,493 countMaine: 3,662 countMaryland: 21,699 countMassachusetts: 21,966 countMichigan: 22,561 countMinnesota: 16,218 countMississippi: 4,621 countMissouri: 13,844 countMontana: 4,386 countNebraska: 4,765 countNevada: 10,759 countNew Hampshire: 3,699 countNew Jersey: 29,052 countNew Mexico: 4,528 countNew York: 62,625 countNorth Carolina: 28,189 countNorth Dakota: 1,954 countOhio: 23,740 countOklahoma: 10,200 countOregon: 13,318 countPennsylvania: 30,357 countRhode Island: 3,085 countSouth Carolina: 12,611 countSouth Dakota: 2,214 countTennessee: 12,568 countTexas: 83,842 countUtah: 13,540 countVermont: 2,074 countVirginia: 32,231 countWashington: 23,574 countWest Virginia: 2,694 countWisconsin: 11,680 countWyoming: 3,352 count
  • Under 4,000
  • 4,000 to 6,000
  • 6,000 to 12K
  • 12K to 18K
  • 18K to 29K
  • 29K and over
Employer establishments: professional, scientific and technical services, 2023, count. Illinois is outlined. Same source and period for every area shown. Source: U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

Number of establishments with paid employees in professional, scientific, and technical services (NAICS 54), from the U.S. Census Bureau County Business Patterns.

County Business Patterns: establishments (single physical locations, not firms) with paid employees during the pay period including 12 March. Excludes the self-employed and businesses without employees (nonemployer_establishments_*), government employers, crop and animal production, rail transportation, the Postal Service and private households. Establishment counts are not perturbed; the noise Census adds since 2017 applies to employment and payroll, which are not served here. Published about 18 months after the reference year.

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How to cite

U.S. Census Bureau. County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms. https://www2.census.gov/programs-surveys/cbp/datasets/2023/. 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. Census Bureau. (2025). County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms (Employer establishments: professional, scientific and technical services, Illinois, 2012 to 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/cbp/datasets/2023/

MLA 9

County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms, Employer establishments: professional, scientific and technical services, Illinois, 2012 to 2023. U.S. Census Bureau, 26 June 2025, https://www2.census.gov/programs-surveys/cbp/datasets/2023/. Invokely, https://invokely.ai/en/employer-establishments-professional-services/illinois. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2025. County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms. Employer establishments: professional, scientific and technical services, Illinois, 2012 to 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/cbp/datasets/2023/. Also distributed by Invokely, https://invokely.ai/en/employer-establishments-professional-services/illinois.

Harvard

U.S. Census Bureau (2025) County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms, Employer establishments: professional, scientific and technical services, Illinois, 2012 to 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/cbp/datasets/2023/, via Invokely: https://invokely.ai/en/employer-establishments-professional-services/illinois (Accessed: 12 October 2026).

BibTeX
@misc{census_employer_establishments_professional_scientific_2023,
  author = {{U.S. Census Bureau}},
  title = {{County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms: Employer establishments: professional, scientific and technical services, Illinois, 2012 to 2023}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/cbp/datasets/2023/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/employer-establishments-professional-services/illinois. Publisher attribution: U.S. Census Bureau. County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms. https://www2.census.gov/programs-surveys/cbp/datasets/2023/. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms: Employer establishments: professional, scientific and technical services, Illinois, 2012 to 2023
PY  - 2025
DA  - 2025/06/26
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/cbp/datasets/2023/
L2  - https://invokely.ai/en/employer-establishments-professional-services/illinois
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/employer-establishments-professional-services/illinois.
N1  - Publisher attribution: U.S. Census Bureau. County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms. https://www2.census.gov/programs-surveys/cbp/datasets/2023/. Retrieved 2026-10-12.
ER  -
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Questions

What is the employer establishments: professional, scientific and technical services in Illinois?

Employer establishments: professional, scientific and technical services in Illinois was 37,946 in 2023, according to the U.S. Census Bureau. That is down 0.2% from 2022. That is the 5th highest of 51 states in 2023.

Where does this figure come from?

U.S. Census Bureau. County Business Patterns, state and US files: establishments (EST), professional, scientific, and technical services (NAICS 54), all legal forms. Retrieved by Invokely on 2026-10-12.

What was the highest employer establishments: professional, scientific and technical services in Illinois?

39,132 in 2015, the highest value since 2012 in this series.

Employer establishments: professional, scientific and technical services elsewhere in United States

Related statistics for Illinois

All statistics for Illinois | Illinois in figures