Jury Pool Profile
Clay County, Iowa
- County seat
- Spencer
- Judicial district
- 3rd Judicial District Court
- Population (July 2025 estimate)
- 16,202
- Census PEP. The five-year ACS survey average is 16,461.
At a glance
Clay County is a 16,202-person venue. The county population is 93% White (Census race-alone categories). Median household income is $61,530, $14,093 below the IA state median of $75,623; 27.5% of residents 25 and over hold a bachelor's degree or higher. 3.2% of residents 5 and older speak a language other than English at home, most commonly Spanish. The largest employment sector is Trade, transportation & utilities, at 28.8% of covered employment, average pay $51,533/year. Trailing-12-month unemployment is 2.87%, below the 3.34% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 68% to 71% of the vote across the three.
- Population
- 16,461
- Median household income
- $65,428
- Unemployment
- 2.9%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 93% / 0%.
Clay County has a population of 16,461, with a median age of 42.3. By Census race-alone categories, White residents make up 92.9%; Black residents 0.3%. Independently, 4.7% of residents identify as Hispanic or Latino of any race.
The median household earns $61,530; 27.5% of residents 25 and over hold a bachelor's degree or higher; 11.3% live below the federal poverty line.
Economic context
Largest sector in BLS QCEW: Trade, transportation & utilities, about 2,530 jobs; Education & health services, about 2,220, is within 20% of it, counting the jobs BLS withholds.
Trade, transportation & utilities is the largest employment sector at 28.8% of covered employment, followed by Education & health services at 25.7%. Trailing-12-month unemployment is 2.87%, below the Iowa state average.
Political composition
Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 69%). 'Strongly' threshold: ≥60% avg.
Clay County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 71.0% in 2024, 68.4% in 2020, 68.7% in 2016.
Languages, households, faith & health
Family households are 56% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 3.2% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
3.2% of residents 5 years and older speak a language other than English at home. The most common are Spanish, German or other West Germanic. Veterans account for 7.5% of the adult civilian population (951 individuals).