Jury Pool Profile
Marshall County, Iowa
- County seat
- Marshalltown
- Judicial district
- 2nd Judicial District Court
- Population (July 2025 estimate)
- 39,890
- Census PEP. The five-year ACS survey average is 40,114.
At a glance
Marshall County is a 39,890-person venue. The county population is 71% White (Census race-alone categories). 25% identify as Hispanic or Latino of any race. Those figures overlap rather than adding up; counted separately, non-Hispanic White residents are 66.0%, which is the basis the chart below uses. Median household income is $68,660, $6,963 below the IA state median of $75,623; 22.6% of residents 25 and over hold a bachelor's degree or higher. 24.8% of residents 5 and older speak a language other than English at home, most commonly Spanish, then other Asian and Pacific Island languages (3.1%), a group the Census does not break out. The largest published sector is Manufacturing, at 26.4% of covered employment, average pay $79,093/year. Trailing-12-month unemployment is 5.92%, above the 3.34% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 52% to 57% of the vote across the three.
- Population
- 40,114
- Median household income
- $73,315
- Unemployment
- 5.9%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 71% / 2%.
Marshall County has a population of 40,114, with a median age of 38.5. By Census race-alone categories, White residents make up 70.6%; Black residents 2.1%. Independently, 24.6% of residents identify as Hispanic or Latino of any race.
The median household earns $68,660; 22.6% of residents 25 and over hold a bachelor's degree or higher; 12.4% live below the federal poverty line.
Economic context
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: Manufacturing about 4,200, Education & health services about 4,100.
Manufacturing is the largest published sector at 26.4% of covered employment, followed by Education & health services at 22.0%. Trailing-12-month unemployment is 5.92%, above the Iowa state average.
Political composition
Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 54%). 'Strongly' threshold: ≥60% avg.
Marshall County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 57.0% in 2024, 52.8% in 2020, 51.6% 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'). 24.8% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
24.8% of residents 5 years and older speak a language other than English at home. The most common are Spanish, French, Haitian, or Cajun, Vietnamese. Veterans account for 8.8% of the adult civilian population (2,639 individuals).