Jury Pool Profile
Mercer County, Missouri
- County seat
- Princeton
- Judicial district
- 3rd Judicial Circuit Court
- Population (July 2025 estimate)
- 3,404
- Census PEP. The five-year ACS survey average is 3,482.
At a glance
Mercer County is a 3,404-person venue. The county population is 92% White (Census race-alone categories). Median household income is $56,564, $15,019 below the MO state median of $71,583; 18.1% of residents 25 and over hold a bachelor's degree or higher. 7.5% 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 25.9% of covered employment, average pay $38,266/year. Trailing-12-month unemployment is 3.65%, below the 3.85% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 86% to 87% of the vote across the three.
- Population
- 3,482
- Median household income
- $62,679
- Unemployment
- 3.6%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 92% / 0%.
Mercer County has a population of 3,482, with a median age of 42.4. By Census race-alone categories, White residents make up 92.4%; Black residents 0.2%. Independently, 4.8% of residents identify as Hispanic or Latino of any race.
The median household earns $56,564; 18.1% of residents 25 and over hold a bachelor's degree or higher; 13.7% live below the federal poverty line.
Economic context
Largest sector in BLS QCEW: Education & health services, 208 jobs; Natural resources & mining, 192, is within 20% of it.
Education & health services is the largest employment sector at 25.9% of covered employment, followed by Natural resources & mining at 23.9%. Trailing-12-month unemployment is 3.65%, below the Missouri state average.
Political composition
Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 86%). 'Strongly' threshold: ≥60% avg.
Mercer County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 86.2% in 2024, 86.6% in 2020, 85.5% in 2016.
Languages, households, faith & health
Family households are 66% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 7.5% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
7.5% 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 8.5% of the adult civilian population (223 individuals).