Jury Pool Profile
Jefferson County, Colorado
- County seat
- Golden
- Judicial district
- 1st Judicial District Court
- Population (July 2025 estimate)
- 580,451
- Census PEP. The five-year ACS survey average is 579,377.
At a glance
Jefferson County is a 580,451-person venue. The county population is 79% White (Census race-alone categories). 16% identify as Hispanic or Latino of any race. Median household income is $109,969, $13,098 above the CO state median of $96,871; 52.0% of residents 25 and over hold a bachelor's degree or higher. 10.0% of residents 5 and older speak a language other than English at home, most commonly Spanish and Russian, Polish, or other Slavic. The largest employment sector is Education & health services, at 21.0% of covered employment, average pay $66,221/year. Trailing-12-month unemployment is 3.65%, below the 3.87% state average. The county carried the Democratic presidential candidate in 2016, 2020, and 2024, taking 49% to 58% of the vote across the three.
- Population
- 579,377
- Median household income
- $110,656
- Unemployment
- 3.6%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 79% / 1%.
Jefferson County has a population of 579,377, with a median age of 40.5. By Census race-alone categories, White residents make up 79.5%; Black residents 1.2%. Independently, 16.1% of residents identify as Hispanic or Latino of any race.
The median household earns $109,969; 52.0% of residents 25 and over hold a bachelor's degree or higher; 7.2% live below the federal poverty line.
Economic context
Largest sector in BLS QCEW: Education & health services, 51,896 jobs; Professional & business services, 45,676, is within 20% of it.
Education & health services is the largest employment sector at 21.0% of covered employment, followed by Professional & business services at 18.5%. Trailing-12-month unemployment is 3.65%, below the Colorado state average.
Political composition
Democratic candidate carried this county in 2016, 2020, and 2024 (avg winning share: 55%). 'Strongly' threshold: ≥60% avg.
Jefferson County was carried by the Democratic candidate in the 2016, 2020, and 2024 cycles, with 58.3% in 2024, 57.9% in 2020, 49.1% in 2016.
Languages, households, faith & health
Family households are 62% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 10.0% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
10.0% of residents 5 years and older speak a language other than English at home. The most common are Spanish, Russian, Polish, or other Slavic, Vietnamese. Veterans account for 6.5% of the adult civilian population (30,483 individuals).