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Jury Pool Profile

Jefferson County, Illinois

Republican +47.8 (2024)
County seat
Mount Vernon
Judicial district
2nd Judicial Circuit Court
Population (July 2025 estimate)
36,147
Census PEP. The five-year ACS survey average is 36,550.

At a glance

Jefferson County is a 36,147-person venue. The county population is 84% White and 6% Black (Census race-alone categories). Median household income is $61,746, $21,581 below the IL state median of $83,327; 18.2% of residents 25 and over hold a bachelor's degree or higher. 3.6% of residents 5 and older speak a language other than English at home, most commonly German or other West Germanic and Spanish. The largest published sector is Education & health services, at 27.6% of covered employment, average pay $60,936/year. Trailing-12-month unemployment is 5.34%, above the 4.85% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 70% to 73% of the vote across the three.

Population
36,550
Median household income
$63,118
Unemployment
5.3%

Who sits on a jury?

Predominantly White

≥70% White (race-alone) and <20% Black. This county: 84% / 6%.

Jefferson County has a population of 36,550, with a median age of 41.2. By Census race-alone categories, White residents make up 84.0%; Black residents 6.2%. Independently, 2.8% of residents identify as Hispanic or Latino of any race.

The median household earns $61,746; 18.2% of residents 25 and over hold a bachelor's degree or higher; 12.9% live below the federal poverty line.

Race & ethnicity
  • White (non-Hispanic) 30,570 83.6%
  • Hispanic or Latino (any race) 1,030 2.8%
  • Black or African American (non-Hispanic) 2,137 5.8%
  • Asian (non-Hispanic) 351 1.0%
  • Two or more races (non-Hispanic) 2,207 6.0%
  • American Indian / Alaska Native (non-Hispanic) 120 0.3%
  • Native Hawaiian / Pacific Islander (non-Hispanic) 0 0.0%
  • Some other race (non-Hispanic) 135 0.4%

U.S. Census ACS 2024

Age distribution

Median age 41.2

  • Under 18 8,140 22.3%
  • 18–24 2,635 7.2%
  • 25–44 9,078 24.8%
  • 45–64 9,399 25.7%
  • 65 and over 7,298 20.0%

U.S. Census ACS 2024

Income & poverty
Median household income
$61,746
90% interval $57,684–$65,808
−$21,581 vs IL · 88th of 102
Below poverty line
12.9%
90% interval 10.0%–15.8%
+1.4 pp vs IL · 47th of 102

U.S. Census SAIPE 2024

Economic context

Led by healthcare & education and trade & transportation

Counting the cells BLS withholds (private jobs estimated from Census County Business Patterns, government jobs from the statewide mix), the two largest sectors are within 20% of each other: Education & health services about 5,370, Trade, transportation & utilities about 4,540.

Education & health services is the largest published sector at 27.6% of covered employment, followed by Trade, transportation & utilities at 22.9%. Trailing-12-month unemployment is 5.34%, above the Illinois state average.

Local economy
Unemployment (12-mo)
5.3%
+0.49 pp vs. state
County GDP
$2.4B
0.21% of state
Avg. annual pay
$59,848
Establishments
858

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

Top employment sectors

Average annual employment by supersector

  • Education & health services 5,367 27.6%
  • Trade, transportation & utilities 4,454 22.9%
  • Manufacturing 4,446 22.9%
  • Leisure & hospitality 1,677 8.6%
  • Professional & business services 747 3.8%
  • Financial activities 545 2.8%
  • Public administration 541 2.8%

The sectors listed cover 91.5% of covered employment; BLS withholds the rest to avoid disclosing individual employers.

BLS QCEW 2025

Housing
Home ownership
71.7%
+4.6 pp vs IL · 82nd of 102
Median gross rent
$885
−$389 vs IL · 31st of 102
Owner-occupied
10,623
Renter-occupied
4,197

U.S. Census ACS 2024

Local economy in 3 reads
  • Concentrated

    Top three sectors employ 73% of the county workforce. Most panelists likely share employer relationships within these sectors, surface those connections early in voir dire before any institutional-defendant or sector-specific framing.

  • Moderate wage spread

    Highest-paid sector (Financial activities, $86,599/yr) pays 3.4× the lowest (Leisure & hospitality, $25,311/yr). Expect meaningful income variation across the panel.

  • Institutional employer scale

    Average establishment employs 23 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: 71%). 'Strongly' threshold: ≥60% avg.

Jefferson County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 73.3% in 2024, 71.6% in 2020, 69.5% in 2016.

Presidential results

2024 presidential · 16,639 votes cast

  • Republican
  • Democratic
Presidential vote share by year
YearRepublicanDemocratic
201669.5%26.2%
202071.6%26.4%
202473.3%25.5%
  • Republican 12,189 73.3%
  • Democratic 4,240 25.5%
  • Other / third-party 210 1.3%

Election results 2024

Languages, households, faith & health

Family-majority, English-speaking

Family households are 64% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 3.6% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).

3.6% of residents 5 years and older speak a language other than English at home. The most common are German or other West Germanic, Spanish, Tagalog. Veterans account for 7.7% of the adult civilian population (2,196 individuals).

Languages spoken at home

96.4% speak only English at home

  • German or other West Germanic 443 1.3%
  • Spanish 428 1.2%
  • Tagalog 93 0.3%
  • Chinese 86 0.2%
  • Korean 34 0.1%
  • Russian, Polish, or other Slavic 29 0.1%
  • French, Haitian, or Cajun 24 0.1%
  • Vietnamese 9 0.0%

U.S. Census ACS 2024

Household composition
Households
14,820
Family households
9,449
63.8% of households
Married couples w/ children
2,391
25.3% of families
Single-mother families
976
10.3% of families
Veterans
2,196
7.7% of civilians 18+

U.S. Census ACS 2024

Religious composition

46.8% overall adherence rate

  • Evangelical Protestant 13,247 35.7%
  • Mainline Protestant 1,404 3.8%
  • Catholic 1,306 3.5%
  • Black Protestant 890 2.4%
  • Other (non-Christian + minor traditions) 530 1.4%

US Religion Census 2020

Health & education
Health insured
92.8%
±1 pp
Uninsured
7.2%
±1 pp
15th of 102
With a disability
18.3%
±1.3 pp
23rd of 102
Bachelor's or higher
18.2%
±1.3 pp
−19.6 pp vs IL · 82nd of 102
Uninsured, under 65 (2024)
6.4%
90% interval 5.7%–7.1% · 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
2nd 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
Albion, Benton, Carmi, Elizabethtown, Fairfield, Lawrenceville, McLeansboro, Mount Carmel, Mount Vernon, Olney, Robinson, Shawneetown

This judicial district spans multiple counties.

Court reference
Traffic safety context

Jefferson totals, 2024 — the per-100k rate is based on 9 recorded deaths, too few to be statistically reliable

Traffic fatalities
9
31.68 per 100k adults (18+)
Fatal crashes
9

NHTSA FARS 2024

About this profile

This profile aggregates publicly available U.S. government statistics for Jefferson 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