St. Clair County, MO
Demographic and economic profile of St. Clair County, MO, sourced from the US Census Bureau (American Community Survey) via Data USA.
AI Overview
St. Clair County is a small, rural Missouri county with a population of 9,451 that has seen modest growth of 0.7% over five years, with an economy reflected in a GDP per capita of $21,917 and median worker earnings of $31,893. The labor pool is limited—labor force participation stands at just 50.7%, and only 13.7% of residents hold a bachelor's degree or higher—though the unemployment rate is low at 2.5% and housing costs are minimal, with a median home value of $142,500 and median gross rent of $607 per month. The county skews older, with a median age of 46.1, and a 76.0% homeownership rate alongside a 16.3% poverty rate points to a settled but economically constrained resident base.
Claude Sonnet 4.6 · generated Jul 6, 2026 · derived from cached Census, BEA & ACS data on this page
Population Growth (5-year)
+0.7% since 2018
St. Clair County added population at this rate over the prior 5-year ACS5 window.
Demographics
Race & Ethnicity
- White Alone8,960 (93.5%)
- Two Races Excluding Some Other Race, & Three or More Races240 (2.5%)
- Two Races Including Some Other Race199 (2.1%)
- Black or African American Alone77 (0.8%)
- Some Other Race Alone71 (0.7%)
- Asian Alone24 (0.3%)
Top Languages Spoken at Home
- 1.German or other West Germanic62
- 2.French (incl. Cajun, Haitian)35
- 3.Spanish28
- 4.Other Indo-European7
- 5.Other Asian and Pacific Island4
Economy
Cost of Living Index
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Not yet cached
Top Industries
- 1.Educational Services, & Health Care & Social Assistance823
- 2.Retail Trade (Group)517
- 3.Construction (Group)468
- 4.Transportation & Warehousing, & Utilities453
- 5.Professional, Scientific, & Management, & Administrative & Waste Management Services332
Top Occupations
- 1.Management, Business, Science, & Arts Occupations1,137
- 2.Sales & Office Occupations807
- 3.Natural Resources, Construction, & Maintenance Occupations698
- 4.Service Occupations673
- 5.Production, Transportation, & Material Moving Occupations661
Housing
Education
Workforce
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More on FDI Connect
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Data: US Census Bureau American Community Survey, served via Data USA and the Census Bureau API. See each metric tile for the specific dataset.