Jury Pool Profile
Monroe County, Illinois
- County seat
- Waterloo
- Judicial district
- 24th Judicial Circuit Court
- Population (July 2025 estimate)
- 34,840
- Census PEP. The five-year ACS survey average is 35,036.
At a glance
Monroe County is a 34,840-person venue. The county population is 96% White (Census race-alone categories). Median household income is $108,674, $25,347 above the IL state median of $83,327; 38.7% of residents 25 and over hold a bachelor's degree or higher. 2.1% 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 23.4% of covered employment, average pay $46,512/year. Trailing-12-month unemployment is 3.05%, below the 4.85% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 66% to 67% of the vote across the three.
- Population
- 35,036
- Median household income
- $102,880
- Unemployment
- 3.0%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 96% / 1%.
Monroe County has a population of 35,036, with a median age of 43.2. By Census race-alone categories, White residents make up 96.0%; Black residents 0.6%. Independently, 1.9% of residents identify as Hispanic or Latino of any race.
The median household earns $108,674; 38.7% of residents 25 and over hold a bachelor's degree or higher; 4.7% live below the federal poverty line.
Economic context
Largest sector in BLS QCEW, even counting every withheld job toward the other sectors: Education & health services, about 23% of covered jobs.
Education & health services is the largest employment sector at 23.4% of covered employment, followed by Trade, transportation & utilities at 18.9%. Trailing-12-month unemployment is 3.05%, below the Illinois state average.
Political composition
Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 67%). 'Strongly' threshold: ≥60% avg.
Monroe County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 67.3% in 2024, 66.7% in 2020, 66.1% in 2016.
Languages, households, faith & health
Family households are 71% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 2.1% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
2.1% of residents 5 years and older speak a language other than English at home. The most common are Spanish, Chinese, German or other West Germanic. Veterans account for 8.7% of the adult civilian population (2,373 individuals).