Skip to main content

Jury Pool Profile

Williamson County, Illinois

Republican +38.7 (2024)
County seat
Marion
Judicial district
1st Judicial Circuit Court
Population (July 2025 estimate)
67,225
Census PEP. The five-year ACS survey average is 66,876.

At a glance

Williamson County is a 67,225-person venue. The county population is 89% White (Census race-alone categories). Median household income is $67,879, $15,448 below the IL state median of $83,327; 26.2% of residents 25 and over hold a bachelor's degree or higher. 3.3% of residents 5 and older speak a language other than English at home, most commonly Spanish. The largest employment sector is Education & health services, at 32.2% of covered employment, average pay $63,963/year. Trailing-12-month unemployment is 4.39%, below the 4.85% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 68% to 69% of the vote across the three.

Population
66,876
Median household income
$65,604
Unemployment
4.4%

Who sits on a jury?

Predominantly White

≥70% White (race-alone) and <20% Black. This county: 89% / 4%.

Williamson County has a population of 66,876, with a median age of 41.6. By Census race-alone categories, White residents make up 89.0%; Black residents 4.5%. Independently, 2.9% of residents identify as Hispanic or Latino of any race.

The median household earns $67,879; 26.2% of residents 25 and over hold a bachelor's degree or higher; 12.3% live below the federal poverty line.

Race & ethnicity
  • White (non-Hispanic) 58,776 87.9%
  • Hispanic or Latino (any race) 1,947 2.9%
  • Black or African American (non-Hispanic) 2,864 4.3%
  • Asian (non-Hispanic) 935 1.4%
  • Two or more races (non-Hispanic) 2,158 3.2%
  • American Indian / Alaska Native (non-Hispanic) 112 0.2%
  • Native Hawaiian / Pacific Islander (non-Hispanic) 0 0.0%
  • Some other race (non-Hispanic) 84 0.1%

U.S. Census ACS 2024

Age distribution

Median age 41.6

  • Under 18 14,227 21.3%
  • 18–24 4,362 6.5%
  • 25–44 17,704 26.5%
  • 45–64 17,447 26.1%
  • 65 and over 13,136 19.6%

U.S. Census ACS 2024

Income & poverty
Median household income
$67,879
90% interval $63,411–$72,347
−$15,448 vs IL · 55th of 102
Below poverty line
12.3%
90% interval 10.0%–14.6%
+0.8 pp vs IL · 52nd of 102

U.S. Census SAIPE 2024

Economic context

Healthcare & education anchored

Largest sector in BLS QCEW, even counting every withheld job toward the other sectors: Education & health services, about 32% of covered jobs.

Education & health services is the largest employment sector at 32.2% of covered employment, followed by Trade, transportation & utilities at 17.8%. Trailing-12-month unemployment is 4.39%, below the Illinois state average.

Local economy
Unemployment (12-mo)
4.4%
−0.46 pp vs. state
County GDP
$4.0B
0.35% of state
Avg. annual pay
$55,243
Establishments
1,445

U.S. BLS 2026M07 · U.S. BEA 2024 · BLS QCEW 2025

Top employment sectors

Average annual employment by supersector

  • Education & health services 9,510 32.2%
  • Trade, transportation & utilities 5,273 17.8%
  • Manufacturing 3,617 12.2%
  • Leisure & hospitality 3,498 11.8%
  • Professional & business services 1,793 6.1%
  • Financial activities 1,725 5.8%
  • Construction 1,080 3.7%
  • Other services 589 2.0%
  • Natural resources & mining 458 1.5%
  • Public administration 407 1.4%
  • Information 278 0.9%

The sectors listed cover 95.5% of covered employment; BLS withholds the rest to avoid disclosing individual employers.

BLS QCEW 2025

Housing
Home ownership
70.7%
+3.6 pp vs IL · 86th of 102
Median gross rent
$930
−$344 vs IL · 22nd of 102
Owner-occupied
20,477
Renter-occupied
8,506

U.S. Census ACS 2024

Local economy in 3 reads
  • Moderately concentrated

    Top three sectors employ 62% of the county workforce. Substantial intra-sector overlap among panelists is likely; confirm employer relationships before sector-specific framing.

  • Moderate wage spread

    Highest-paid sector (Public administration, $96,873/yr) pays 3.9× the lowest (Leisure & hospitality, $24,677/yr). Expect meaningful income variation across the panel.

  • Institutional employer scale

    Average establishment employs 20 workers, typical of an institutional-employer economy where large hospitals, plants, schools, and government agencies dominate. Expect many panelists to share an employer rather than work for themselves.

BLS QCEW 2025

Political composition

Consistently strongly Republican

Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 68%). 'Strongly' threshold: ≥60% avg.

Williamson County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 68.7% in 2024, 67.6% in 2020, 68.4% in 2016.

Presidential results

2024 presidential · 32,998 votes cast

  • Republican
  • Democratic
Presidential vote share by year
YearRepublicanDemocratic
201668.4%27.2%
202067.6%30.3%
202468.7%30.0%
  • Republican 22,686 68.7%
  • Democratic 9,890 30.0%
  • Other / third-party 422 1.3%

Election results 2024

Languages, households, faith & health

Family-majority, English-speaking

Family households are 63% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 3.3% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).

3.3% of residents 5 years and older speak a language other than English at home. The most common are Spanish, Chinese, Russian, Polish, or other Slavic. Veterans account for 8.7% of the adult civilian population (4,588 individuals).

Languages spoken at home

96.7% speak only English at home

  • Spanish 875 1.4%
  • Chinese 195 0.3%
  • Russian, Polish, or other Slavic 122 0.2%
  • Tagalog 109 0.2%
  • German or other West Germanic 77 0.1%
  • Vietnamese 63 0.1%
  • French, Haitian, or Cajun 48 0.1%
  • Korean 41 0.1%

U.S. Census ACS 2024

Household composition
Households
28,983
Family households
18,206
62.8% of households
Married couples w/ children
4,573
25.1% of families
Single-mother families
2,100
11.5% of families
Veterans
4,588
8.7% of civilians 18+

U.S. Census ACS 2024

Religious composition

36.6% overall adherence rate

  • Evangelical Protestant 15,913 23.7%
  • Catholic 4,394 6.5%
  • Mainline Protestant 3,492 5.2%
  • Black Protestant 402 0.6%
  • Other (non-Christian + minor traditions) 364 0.5%

US Religion Census 2020

Health & education
Health insured
95.4%
±0.6 pp
Uninsured
4.6%
±0.6 pp
68th of 102
With a disability
19.1%
±1.5 pp
21st of 102
Bachelor's or higher
26.2%
±1.6 pp
−11.6 pp vs IL · 26th of 102
Uninsured, under 65 (2024)
6.0%
90% interval 5.3%–6.7% · Census SAHIE

The under-65 uninsured rate is not comparable to the ACS insurance figures, which cover all ages.

U.S. Census ACS 2024

Court infrastructure

Court infrastructure
Trial court
1st Judicial Circuit Court
Judges
12 (Combined Circuit Judge + Associate Judge counts per circuit. Vintage 2024-2025; hand-sourced from per-circuit official court websites and the 2023-2024 Illinois Blue Book (ilsos.gov) judge roster, cross-referenced against the Administrative Office of the Illinois Courts directory. Cook County total of ~400 reflects the Circuit Court of Cook County's combined elected Circuit Judges (~257) plus appointed Associate Judges (~145), the largest unified trial court in the United States. Several smaller downstate circuits carry estimates (see source comments).)
Court seats
Cairo, Golconda, Harrisburg, Jonesboro, Marion, Metropolis, Mound City, Murphysboro, Vienna

This judicial district spans multiple counties.

Court reference
Traffic safety context

Williamson totals, 2024 — the per-100k rate is based on 10 recorded deaths, too few to be statistically reliable

Traffic fatalities
10
18.99 per 100k adults (18+)
Fatal crashes
10

NHTSA FARS 2024

About this profile

This profile aggregates publicly available U.S. government statistics for Williamson County, Illinois to give trial attorneys venue context for jury selection. It describes the general population of the county, not the qualified jury wheel, and is not legal advice or a substitute for the court's juror records.

Sources as of: U.S. Census ACS 2024 · U.S. BLS 2026M07 · U.S. BEA 2024 · BLS QCEW 2025 · Election results 2024 · NHTSA FARS 2024 · US Religion Census 2020.

Data sources