Lewis and Clark County, MT has a population of roughly 73,464, growing modestly at 1.1% per year.

Population growth patterns reveal how communities are evolving. This chart shows historical population changes by age group and projects future trends based on demographic patterns.

Jobs by industry sector since 2012. Switch between local jobs — counted where the jobs are located — and resident jobs, counted where the workers live. On the local view the most recent year is a nowcast: it grows the latest local LODES job mix forward using recent county employment growth from QCEW and the BLS local employment series, so the newest point tracks today's economy instead of data that is roughly two years old.

With roughly 31,860 households, Lewis and Clark County, MT is growing modestly at 1.1% per year.

Understanding how households at different income levels are growing or declining helps identify which groups face the greatest housing pressure and where new housing is most needed.

In Lewis and Clark County, MT, detached single-family accounts for 66% of the housing stock. Homeownership is the norm in Lewis and Clark County, MT, with 64% of units owner-occupied.

Households may have different structure type preferences depending on characteristics such as household size, income, employment, presence of children, age of individuals, and lifestyle choices. Understanding the housing stock in corresponding terms helps assess how well existing units align with existing households' ideals.

The mix of housing types and ownership patterns shapes a community's character. This chart breaks down housing units by structure type and whether they're owner-occupied or rented.