Jury Pool Profile
Clay County, South Dakota
- County seat
- Vermillion
- Judicial district
- 1st Judicial Circuit Court
- Population (July 2025 estimate)
- 15,031
- Census PEP. The five-year ACS survey average is 15,219.
At a glance
Clay County is a 15,031-person venue. The county population is 85% White (Census race-alone categories). Median household income is $59,556, $17,938 below the SD state median of $77,494; 45.4% of residents 25 and over hold a bachelor's degree or higher. 4.2% of residents 5 and older speak a language other than English at home, most commonly Spanish and Chinese. The largest employment sector is Trade, transportation & utilities, at 17.8% of covered employment, average pay $44,330/year. Trailing-12-month unemployment is 2.18%, above the 2.15% state average. The county carried the Democratic presidential candidate in 2016, 2020, and 2024, taking 51% to 54% of the vote across the three. 17% of residents here live in group quarters rather than households, 2,493 people in barracks, dormitories, correctional facilities or nursing homes, so the figures above describe a population substantially larger than the one a summons reaches.
- Population
- 15,219
- Median household income
- $56,850
- Unemployment
- 2.2%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 85% / 2%.
Clay County has a population of 15,219, with a median age of 24.9. By Census race-alone categories, White residents make up 85.0%; Black residents 1.8%. Independently, 3.3% of residents identify as Hispanic or Latino of any race.
The median household earns $59,556; 45.4% of residents 25 and over hold a bachelor's degree or higher; 19.3% live below the federal poverty line.
Economic context
None of the heuristic anchors fired (oil & gas <5%, healthcare/education <20%, manufacturing <15%). Top sector: Trade, transportation & utilities (17.8%).
Trade, transportation & utilities is the largest employment sector at 17.8% of covered employment, followed by Leisure & hospitality at 15.4%. Trailing-12-month unemployment is 2.18%, above the South Dakota state average.
Political composition
Democratic candidate carried this county in 2016, 2020, and 2024 (avg winning share: 52%). 'Strongly' threshold: ≥60% avg.
Clay County was carried by the Democratic candidate in the 2016, 2020, and 2024 cycles, with 52.0% in 2024, 54.1% in 2020, 51.4% in 2016.
Languages, households, faith & health
Family households are 47% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 4.2% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
4.2% of residents 5 years and older speak a language other than English at home. The most common are Spanish, Chinese, German or other West Germanic. Veterans account for 5.1% of the adult civilian population (634 individuals).