Jury Pool Profile
Mahaska County, Iowa
- County seat
- Oskaloosa
- Judicial district
- 8th Judicial District Court
- Population (July 2025 estimate)
- 21,880
- Census PEP. The five-year ACS survey average is 22,021.
At a glance
Mahaska County is a 21,880-person venue. The county population is 92% White (Census race-alone categories). Median household income is $72,199, $3,424 below the IA state median of $75,623; 24.1% of residents 25 and over hold a bachelor's degree or higher. 3.5% 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 26.6% of covered employment, average pay $57,794/year. Trailing-12-month unemployment is 2.57%, below the 3.34% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 71% to 75% of the vote across the three.
- Population
- 22,021
- Median household income
- $70,940
- Unemployment
- 2.6%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 92% / 1%.
Mahaska County has a population of 22,021, with a median age of 39.0. By Census race-alone categories, White residents make up 92.2%; Black residents 1.3%. Independently, 2.5% of residents identify as Hispanic or Latino of any race.
The median household earns $72,199; 24.1% of residents 25 and over hold a bachelor's degree or higher; 11.6% live below the federal poverty line.
Economic context
Largest sector in BLS QCEW: Education & health services, 2,154 jobs; Manufacturing, 1,997, is within 20% of it.
Education & health services is the largest employment sector at 26.6% of covered employment, followed by Manufacturing at 24.7%. Trailing-12-month unemployment is 2.57%, below the Iowa state average.
Political composition
Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 73%). 'Strongly' threshold: ≥60% avg.
Mahaska County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 75.2% in 2024, 72.8% in 2020, 70.6% 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'). 3.5% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
3.5% of residents 5 years and older speak a language other than English at home. The most common are Spanish, German or other West Germanic, French, Haitian, or Cajun. Veterans account for 5.8% of the adult civilian population (972 individuals).