Jury Pool Profile
Jefferson County, Wisconsin
- County seat
- Jefferson
- Judicial district
- Jefferson County Circuit Court (3rd Judicial District)
- Population (July 2025 estimate)
- 86,505
- Census PEP. The five-year ACS survey average is 86,003.
At a glance
Jefferson County is an 86,505-person venue. The county population is 89% White (Census race-alone categories). Median household income is $84,325, $6,768 above the WI state median of $77,557; 28.5% of residents 25 and over hold a bachelor's degree or higher. 6.3% of residents 5 and older speak a language other than English at home, most commonly Spanish and German or other West Germanic. The largest employment sector is Manufacturing, at 26.9% of covered employment, average pay $75,178/year. Trailing-12-month unemployment is 2.98%, below the 3.3% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 55% to 58% of the vote across the three.
- Population
- 86,003
- Median household income
- $83,750
- Unemployment
- 3.0%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 89% / 1%.
Jefferson County has a population of 86,003, with a median age of 41.5. By Census race-alone categories, White residents make up 88.6%; Black residents 0.9%. Independently, 8.5% of residents identify as Hispanic or Latino of any race.
The median household earns $84,325; 28.5% of residents 25 and over hold a bachelor's degree or higher; 7.7% live below the federal poverty line.
Economic context
Largest sector in BLS QCEW, even counting every withheld job toward the other sectors: Manufacturing, about 27% of covered jobs.
Manufacturing is the largest employment sector at 26.9% of covered employment, followed by Education & health services at 18.7%. Trailing-12-month unemployment is 2.98%, below the Wisconsin state average.
Political composition
Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 56%). 'Strongly' threshold: ≥60% avg.
Jefferson County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 57.5% in 2024, 56.7% in 2020, 55.3% in 2016.
Languages, households, faith & health
Family households are 63% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 6.3% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
6.3% of residents 5 years and older speak a language other than English at home. The most common are Spanish, German or other West Germanic, Chinese. Veterans account for 6.4% of the adult civilian population (4,449 individuals).