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Williamson County, IL jobs, unemployment and layoffs

Williamson County’s unemployment rate is 3.6%. No WARN layoff notices here in the last 12 months. 2 open professional jobs are in its cities.

Williamson County economy

  • 3.6%

    unemployment, Aug 2026

    4.5% the month before

  • 31,243

    in the labor force

    Source: BLS Local Area Unemployment Statistics

  • 66,902

    people in Williamson County

    Source: U.S. Census Bureau

  • $65,521

    median household income

    Source: Census ACS

  • 40%

    of workers in white-collar occupations

    Management, business, financial and professional; Census ACS

Williamson County layoffs

No WARN layoff notices naming Williamson County in the last 12 months are on file. WARN covers employers with 100 or more workers, so smaller layoffs are not in it.

All layoff notices in the state

Employers hiring most in Williamson County

Employers with the most open professional roles in this county’s cities. The county is taken from each job’s city, so roles with no city are not counted.

  1. John A Logan College1 open role
  2. Synergy Staffing1 open role

Workforce development and job centers

The public workforce board and American Job Centers serving Williamson County. They offer free help with job search, training and filing for benefits.

  • John A. Logan College Career Services

    Carterville · Affiliate

    8 a.m. - 4:30 p.m. Monday - Friday

  • American Job Center SI

    Marion · Comprehensive · 618-998-9570

    Monday-Friday 8:30-4:30

Cities in Williamson County

Other Illinois counties

All of Illinois

Laid off or looking for work in Williamson County?

See what to do first and the jobs open near you.

See your options after a layoff

Sources: Census Bureau and BLS (county unemployment is not seasonally adjusted); WARN notices from Illinois’s published record; job counts from our live job board; IPEDS for colleges; CareerOneStop for workforce boards and job centers.