ExecutivePulse
Official Federal Data

Williamson County, Illinois

FIPS 17199 · Marion-Herrin, IL · Population 66,876
9 Sources Updated June 22, 2026
$65,604
Median Income
$80,734 national
4.2%
Unemployment
4% national
$4B
GDP
26.2%
Bachelor's+
35.7% national

Demographics & Population

Census Bureau American Community Survey 2020-2024 · 5-Year Estimates

Household Income

Source: U.S. Census Bureau · American Community Survey 2020-2024 5-Year Estimates
Median Household
$65,604
Per Capita
$37,284
Mean Household
$85,846
Poverty Rate
13.8%
Median Income Comparison
Williamson County$65,604
Illinois$83,390
National$80,734

Population Profile

Source: Census Bureau ACS 2020-2024 · Tables B01001, B02001, B03003
65+: 19.6% (13,136 residents) 55-64: 13.7% (9,172 residents) 35-54: 26.2% (17,490 residents) 18-34: 19.2% (12,851 residents) Under 18: 21.3% (14,227 residents) 42 Median Age
Cohorts
Under 18 · 21.3%
18-34 · 19.2%
35-54 · 26.2%
55-64 · 13.7%
65+ · 19.6%
Race & Ethnicity
White89%
Black or African American4.5%
Asian1.5%
Hispanic or Latino(any race)2.9%
Hispanic or Latino is an ethnic category and overlaps with the race categories above.

Educational Attainment

Source: Census Bureau ACS 2020-2024 · Table B15003 · Population 25+
92.8%
High School+
National: 89.6%
▲ +3.2 pts
26.2%
Bachelor's+
National: 35.7%
▼ 9.5 pts
10.6%
Graduate+
National: 14.1%
▼ 3.5 pts

Employment Overview

Source: U.S. Census Bureau · American Community Survey 2020-2024 5-Year Estimates
66,876
Population
31,976
Labor Force
Employed
30,212
Unemployment Rate BLS LAUS 2025 annual
4.2% ▼ 0.3 pts YoY
Mean Commute 3 min below national avg
23.5 min
Work From Home vs 15.1% national
8.8%
Key Takeaways
  • Income gap: Households earn meaningfully less than the national median, which directly affects retail demand, housing absorption, and tax base.
  • Talent gap: Bachelor's-or-higher attainment trails the national average by 9.5 pts, relevant for advanced-services attraction strategy.
  • Aging population: Median age of 42 is materially above the U.S. norm; succession planning and senior-services demand are real factors.

Economy & Industry

Bureau of Labor Statistics QCEW · Bureau of Economic Analysis

$4B
Gross Domestic Product · 2024
Source: Bureau of Economic Analysis · CAGDP1 Regional GDP

Top Industries by Employment

Source: Bureau of Labor Statistics · Quarterly Census of Employment & Wages 2025 Annual
Top industries by employment in Williamson County, Illinois, with employment, share of top sectors, and average wage
IndustryEmploymentShare of Top 10Avg Wage
1Health Care and Social Assistance
6,136 27.4%
$62,443
2Manufacturing
3,619 16.2%
$61,084
3Retail Trade
3,244 14.5%
$38,776
4Accommodation and Food Services
3,241 14.5%
$25,076
5Finance and Insurance
1,505 6.7%
$64,427
6Administrative and Support and Waste Management
1,219 5.5%
$44,966
7Construction
1,081 4.8%
$62,825
8Wholesale Trade
887 4.0%
$63,890
9Transportation and Warehousing
842 3.8%
$52,529
10Other Services (except Public Administration)
587 2.6%
$39,131
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Key Takeaways
  • Largest sector: Health Care and Social Assistance employs 6,136 workers (27.4% of tracked sectors), at an average wage of $62,443.
  • Economic scale: Regional GDP of $4B (2024).
  • Wage stratification: Finance and Insurance averages $64,427 while Accommodation and Food Services averages $25,076, a 2.6x spread in the same local economy, with implications for workforce development and talent strategy.
Source: BLS QCEW + BEA Regional GDP.
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Industry Concentration

Location Quotient measures regional specialization vs. national average. LQ > 1.0 = concentrated.

Location Quotient Analysis

Concentrated Industries
Source: BLS QCEW · 3-digit NAICS sub-sector · Location Quotient vs. national employment share
Same source as the Top Industries table above, sub-sector view surfaces the specialization the supersector view masks (e.g., Plastics & Rubber Manufacturing inside the Manufacturing supersector).
Accommodation
2.05x
748
Couriers and Messengers
2.01x
429
Motor Vehicle and Parts Dealers
1.86x
721
Utilities
1.81x
207
Ambulatory Health Care Services
1.80x
3,082
Credit Intermediation and Related Activities
1.71x
831
Private Households
1.59x
62
General Merchandise Retailers
1.57x
964
Gasoline Stations and Fuel Dealers
1.52x
303
Building Material and Garden Supply Retailers
1.51x
394

Cluster Depth

Source: BLS QCEW · Sub-sectors with LQ ≥ 1.5 indicate genuine cluster concentration
Dominant Cluster
Health Care & Social Assistance Cluster
Coherent grouping of concentrated sub-sectors, signals supply-chain fit for site selectors
3,082
Cluster Employment
1.80x
Peak LQ
Concentrated Sub-Sectors
Accommodation
2.05x 748
Couriers and Messengers
2.01x 429
Motor Vehicle and Parts Dealers
1.86x 721
Utilities
1.81x 207
Ambulatory Health Care Services
1.80x 3,082
Credit Intermediation and Related Activities
1.71x 831
Private Households
1.59x 62
General Merchandise Retailers
1.57x 964
Gasoline Stations and Fuel Dealers
1.52x 303
Building Material and Garden Supply Retailers
1.51x 394

Attraction Opportunities

LQ < 0.5 with ≥ 50 employed, realistic diversification targets. Source: BLS QCEW
0.13x
Educational Services
78 employed
0.24x
Heavy and Civil Engineering Construction
55 employed
0.26x
Machinery Manufacturing
53 employed
0.27x
Professional, Scientific, and Technical Services
542 employed
Key Takeaways
  • Top specialization: Accommodation concentrates at 2.05x the national norm.
  • Cluster depth: 10 sub-sectors register LQ ≥ 1.5, suggesting an interconnected industrial base rather than reliance on a single employer or sector.
  • Attraction whitespace: 8 sub-sectors register LQ < 0.5, candidates for diversification or recruitment depending on labor-market fit.
Source: BLS QCEW sub-sector Location Quotients.
Williamson County's Top Sectors by Workforce Share
Each rectangle's area is proportional to that sector's share of total private-sector employment across all NAICS supersectors. Hover for exact employment.
Source: Bureau of Labor Statistics QCEW 2025 Annual · Private sector, NAICS supersectors

Housing & Affordability

Census ACS · HUD Fair Market Rents FY2026

Housing Overview

Source: Census Bureau ACS 2020-2024 5-Year Estimates · Tables B25001, B25077, B25064
$156,400
Median Home Value vs 2019
$930
Rent/Mo
70.7%
Owner-Occ
9.7%
Vacancy
2.4x
Home Value to Income Ratio - Affordable
vs. ~4.1x national average

HUD Fair Market Rents

Source: HUD · Fair Market Rents FY2026
Studio
$753/mo
1 Bedroom
$790/mo
2 Bedroom
$1,037/mo
3 Bedroom
$1,369/mo
4 Bedroom
$1,386/mo
30% of monthly median household income (~$1,640/mo) · rents above this line are typically considered cost-burdened.
Key Takeaways
  • Affordable market: Home value to income ratio of 2.4x is well below the ~4.1x national average; supports talent attraction and family settlement narratives.
  • High home ownership: 70.7% owner-occupied; rental supply may be tight for incoming workers.
  • Broadly affordable rents: All 5 HUD Fair Market Rent bedroom tiers sit below the 30%-of-median-income affordability threshold (~$1,640/mo), a clear cost-of-living advantage for workforce attraction.
Source: Census ACS housing tables + HUD Fair Market Rents.

Workforce Pipeline

Labor force readiness, commuting, and workforce composition

Labor Market Overview

Source: Census ACS 2020-2024 · Tables B01001, B23025, B08303, B08301
39,513
Working Age (18-64) vs 2019
Mean Commute 3 min below national avg
23.5 min
Work From Home vs 15.1% national
8.8%
Prime-Age Employed (25-54)
76.4%
of prime-age population
Labor force participation rate: 60.7% of working-age population (18-64) 61% Participation
▲ vs 2019

Education & Talent Pipeline

Source: Census ACS 2020-2024 · Table B15003 · College Scorecard
Bachelor's+
26.2%
HS Diploma+
92.8%
Regional / Statewide Institutions
Total credentials awarded
57,734/yr
University of Illinois Urbana-Champaign 15,945/yr
Chamberlain University-Illinois 11,893/yr
DeVry University-Illinois 9,399/yr
University of Illinois Chicago 8,607/yr
Loyola University Chicago 5,976/yr
DePaul University 5,914/yr

Aging Workforce

Source: Census Bureau ACS · Derived from age & employment tables
23.2%
55-64 of working-age population (18-64)
Elevated retirement risk, above the 20% threshold. Succession planning recommended.

Workforce by Occupation

Source: Census ACS 2020-2024 · Table C24010 · Civilian employed population 16+
Management / Professional
38.6%
Service
18.3%
Sales & Office
19.9%
Construction / Maint.
9.3%
Production / Transport
13.9%
Bars scaled 2× for visual differentiation; percentage labels show actual share of 30,212 employed workers.
Key Takeaways
  • Succession risk is real: 23.2% of working-age residents are 55-64. Plan for retirements over the next decade and pair attraction strategy with talent retention.
  • Talent pipeline: 6 regional institutions feed the workforce; the top three combined produce 37,237 annual credentials.
Source: ACS workforce data and College Scorecard.

AI Insights

AI-assisted analysis, drawn from 9 federal data sources

Sample AI Insight

Williamson County shows emerging potential for accommodation attraction, with a 2.05x concentration and 748 jobs in this sub-sector. Near-term succession risk is elevated, with 23.2% of the working-age population within 10 years of retirement age.

The interconnected base across accommodation, couriers and messengers, and motor vehicle and parts dealers creates supply-chain attraction leverage rather than single-employer risk, a structural advantage for industrial recruitment.

Industry Shift Analysis

Manufacturing Automation Risk
High
Healthcare Growth Forecast
+4.2% CAGR
Remote Work Migration
67/100

Prospect Match Scores

Advanced Manufacturing
92/100
Life Sciences
84/100
Data Centers
71/100
Illustrative example

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Data Sources

Updated from official federal government data.

Census ACS 5-Year2024
BLS QCEW2025 annual
BLS LAUS (via FRED)2025 annual
BEA Regional GDP2024
Census CBP2023
HUD Fair Market RentsFY2026
FCC Broadband Map2024
USAspending.govFY2026
College ScorecardAY 2022-23

Frequently Asked Questions

Key economic and demographic figures for Williamson County, Illinois, from federal data sources.

What is the population of Williamson County, Illinois?

66,876 (U.S. Census Bureau, ACS 5-Year Estimates).

What is the median household income in Williamson County, Illinois?

$65,604 (U.S. Census Bureau, ACS 5-Year Estimates).

What is the unemployment rate in Williamson County, Illinois?

4.2% (2025 annual average, U.S. Bureau of Labor Statistics, LAUS).

What is the GDP of Williamson County, Illinois?

$4B (U.S. Bureau of Economic Analysis, CAGDP1).