Lewis and Clark County, MT Demographics & Local Data

Analyze population trends, housing costs, and the local economy by exploring Map AI.

Area Snapshot

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

B
B
B

Population

Metric Lewis and Clark County Montana Avg U.S. Average
Population 73,287 1,116,316 334,821,731
Population density (per sq mi) 21.0 7.6 85.8
Population growth (%/yr) 1.36% 1.09% 0.57%
Median age 42.3 40.4 37.1
Households 30,649 452,676 128,459,983

Population Over Time

Year Lewis and Clark County

Race & Ethnicity

Group Share

Economy

Lewis and Clark County has a the economy index of B, which means it is quite prosperous.

Metric Lewis and Clark County Montana Avg U.S. Average
Median household income $74,495 $69,624 $78,145
Income growth (%/yr) 3.29% 5.32% 5.07%
Unemployment rate 3.5% 3.7% 5.2%

Detailed wealth and income breakdown →

Housing

Metric Lewis and Clark County Montana Avg U.S. Average
Median home price $284,700 $242,768 $242,182
Median rent $1,062 $1,031 $1,342
Homeownership rate 69.7% 69.4% 65.1%

Full housing market analysis →

Mobility & Commuting

The most common departure window is 07:30 AM – 07:59 AM , followed by 07:00 AM – 07:29 AM .

Metric Lewis and Clark County Montana Avg U.S. Average
Average commute time (min) 16.1 16.0 22.5
Work from home 12.9% 11.6% 13.4%

Commute and transport details →

Education & Households

Lewis and Clark County has a education index of B, which means it is quite educated.

Metric Lewis and Clark County Montana Avg U.S. Average
Bachelor's degree or higher 40.3% 31.3% 31.6%
Average household size 2.31 2.38 2.54

Health

Lewis and Clark County has a health index of B, which means it is quite healthy.

Metric Lewis and Clark County Montana Avg U.S. Average
Life expectancy (years) 79.3 79.0 78.3
Self-rated poor health 11.6% 14.7% 16.3%
Smokers 15.2% 18.8% 19.0%