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Professional, Scientific, and Technical Services businesses in St. Louis County, MO

Census County Business Patterns 2022. NAICS sector 54.

Establishments
3,444
25.0% of MO sector
Employees
50,918
28.8% of MO sector
Annual Payroll
$4.64B
total 2022
Palavir analytics consulting

Using this data to decide where to sell, expand, or hire?

These Census figures for professional, scientific, and technical services businesses in St. Louis County, MO are a starting point. Palavir combines public market data like this with your own customers, pipeline, and financials in Power BI, so you can size a market and pick the next territory with your numbers, not just the county totals.

County context

Population
996,618
Median Household Income
$81,340
Median Home Value
$260,700

Source: ACS 5-Year Estimates 2023.

For CPAs & bookkeepers serving this market

Run an accounting or bookkeeping practice in St. Louis County, MO?

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Compare to Missouri state averages

MetricSt. Louis CountyMO totalCounty share
Establishments3,44413,76825.0%
Employees50,918176,51028.8%
Annual Payroll$4.64B$15.45B—

Related resources

Other sectors in St. Louis County

Professional, Scientific, and Technical Services in other Missouri counties

Data sources: U.S. Census Bureau County Business Patterns 2022 (NAICS 2017); American Community Survey 5-Year Estimates 2023. Public domain (USA.gov).

Generated 2026-05-27. NAICS suppression rules may zero out small counts.