Jury Pool Profile
Lewis and Clark County, Montana
- County seat
- Helena
- Judicial district
- 1st Judicial District Court
- Population (July 2025 estimate)
- 75,331
- Census PEP. The five-year ACS survey average is 73,464.
At a glance
Lewis and Clark County is a 75,331-person venue. The county population is 91% White (Census race-alone categories). Median household income is $85,284, $9,764 above the MT state median of $75,520; 43.0% of residents 25 and over hold a bachelor's degree or higher. 2.8% of residents 5 and older speak a language other than English at home, most commonly Spanish and German or other West Germanic. The largest employment sector is Education & health services, at 21.6% of covered employment, average pay $66,471/year. Trailing-12-month unemployment is 3.27%, below the 3.48% state average. The county carried the Republican presidential candidate in 2016, 2020, and 2024, taking 50% to 51% of the vote across the three.
- Population
- 73,464
- Median household income
- $78,237
- Unemployment
- 3.3%
Who sits on a jury?
≥70% White (race-alone) and <20% Black. This county: 91% / 1%.
Lewis and Clark County has a population of 73,464, with a median age of 41.8. By Census race-alone categories, White residents make up 90.7%; Black residents 0.6%. Independently, 4.0% of residents identify as Hispanic or Latino of any race.
The median household earns $85,284; 43.0% of residents 25 and over hold a bachelor's degree or higher; 7.6% live below the federal poverty line.
Economic context
BLS QCEW 'Education & health services' is ≥20% of total covered employment. This county: 21.6%.
Education & health services is the largest employment sector at 21.6% of covered employment, followed by Public administration at 19.0%. Trailing-12-month unemployment is 3.27%, below the Montana state average.
Political composition
Republican candidate carried this county in 2016, 2020, and 2024 (avg winning share: 50%). 'Strongly' threshold: ≥60% avg.
Lewis and Clark County was carried by the Republican candidate in the 2016, 2020, and 2024 cycles, with 51.1% in 2024, 50.4% in 2020, 49.5% in 2016.
Languages, households, faith & health
Family households are 59% of all households (thresholds: ≥70% = 'family-dominant'; 50–70% = 'family-majority'; <50% = 'singles/nonfamily-majority'). 2.8% of residents 5 and older speak a language other than English at home (threshold for 'linguistically diverse' is ≥10%).
2.8% of residents 5 years and older speak a language other than English at home. The most common are Spanish, German or other West Germanic, Russian, Polish, or other Slavic. Veterans account for 9.7% of the adult civilian population (5,583 individuals).