county

St. Charles County, MO

Demographic and economic profile of St. Charles County, MO, sourced from the US Census Bureau (American Community Survey) via Data USA.

AI Overview

St. Charles County is a largely residential, owner-occupied suburban county of 423,726 people—80.7% of residents own their homes, median home values sit at $296,800, and median gross rent runs $1,312 per month. The workforce of roughly 293,000 labor-force participants carries a 42.4% bachelor's-attainment rate, a 2.8% unemployment rate, and median worker earnings of $54,399. The county has grown 5.1% over five years, and a 4.7% poverty rate alongside a $104,692 median household income signal a relatively low cost-of-living burden compared to national metro benchmarks.

Claude Sonnet 4.6 · generated Jul 6, 2026 · derived from cached Census, BEA & ACS data on this page

Population

423,726

Data USA · as of 2024

Median Household Income

$104,692

Data USA · as of 2024

Median Age

39.8 yrs

Data USA · as of 2024

Population Growth (5-year)

+5.1% since 2018

St. Charles County added population at this rate over the prior 5-year ACS5 window.

Demographics

Race & Ethnicity

  • White Alone348,354 (84.0%)
  • Black or African American Alone21,335 (5.1%)
  • Two Races Excluding Some Other Race, & Three or More Races13,888 (3.4%)
  • Asian Alone12,632 (3.0%)
  • Two Races Including Some Other Race12,625 (3.0%)
  • Some Other Race Alone5,181 (1.2%)

Data USA · as of 2024

Top Languages Spoken at Home

  1. 1.Spanish8,251
  2. 2.Other Indo-European2,779
  3. 3.Other Asian and Pacific Island2,319
  4. 4.Chinese (incl. Mandarin, Cantonese)1,293
  5. 5.Vietnamese1,049

Census ACS · as of 2023

Population Under 18

22.8%

Census ACS · as of 2023

Working-Age (18–64)

60.7%

Census ACS · as of 2023

Population 65 and Over

16.4%

Census ACS · as of 2023

Foreign-Born Population

4.5%

Data USA · as of 2024

Veterans

21,217

Data USA · as of 2024

Economy

GDP per Capita

$49,871

Data USA · as of 2023

Cost of Living Index

—

Not yet cached

Per Capita Income

$49,859

Census ACS · as of 2023

Unemployment Rate

2.8%

Census ACS · as of 2023

Poverty Rate

4.7%

Census ACS · as of 2023

Top Industries

  1. 1.Educational Services, & Health Care & Social Assistance48,692
  2. 2.Manufacturing (Group)28,248
  3. 3.Professional, Scientific, & Management, & Administrative & Waste Management Services26,333
  4. 4.Retail Trade (Group)24,881
  5. 5.Finance & Insurance, & Real Estate & Rental & Leasing23,816

Data USA · as of 2024

Top Occupations

  1. 1.Management, Business, Science, & Arts Occupations108,368
  2. 2.Sales & Office Occupations47,101
  3. 3.Service Occupations28,104
  4. 4.Production, Transportation, & Material Moving Occupations24,231
  5. 5.Natural Resources, Construction, & Maintenance Occupations16,261

Data USA · as of 2024

Specialized Industries (Location Quotient)

  1. 1.Finance, Insurance, & Real Estate (LQ 1.58×)23,230
  2. 2.Manufacturing (LQ 1.27×)27,808
  3. 3.Wholesale Trade (LQ 1.19×)6,062
  4. 4.Construction (LQ 1.04×)15,885
  5. 5.Retail Trade (LQ 1.03×)24,722

Census ACS · as of 2023

Housing

Median Home Value

$296,800

Census ACS · as of 2023

Median Gross Rent

$1,312/mo

Census ACS · as of 2023

Homeownership Rate

80.5%

Data USA · as of 2024

Home Value Distribution

  • $300,000 to $399,99934,767 (26.8%)
  • $400,000 to $499,99919,918 (15.3%)
  • $250,000 to $299,99919,113 (14.7%)
  • $200,000 to $249,99918,575 (14.3%)
  • $500,000 to $749,99912,946 (10.0%)
  • $175,000 to $199,9995,437 (4.2%)

Data USA · as of 2024

Education

Bachelor's Degree or Higher

42.4%

Census ACS · as of 2023

High School Diploma or Higher

95.5%

Census ACS · as of 2023

Workforce

Labor Force Participation

69.3%

Census ACS · as of 2023

Median Worker Earnings

$54,399

Census ACS · as of 2023

Mean Commute Time

24.5 min

Data USA · as of 2024

Households Without a Vehicle

3.4%

Census ACS · as of 2023

How People Get to Work

  • Drove Alone163,152 (73.8%)
  • Worked At Home39,815 (18.0%)
  • Carpooled13,126 (5.9%)
  • Other2,412 (1.1%)
  • Walked1,834 (0.8%)
  • Motorcycle276 (0.1%)

Data USA · as of 2024

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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.