Total Population in Lewis and Clark County, MT
ACS 2024 5-Year Estimates
How Lewis and Clark County Compares
National Distribution
Where Lewis and Clark County falls among all 3,222 U.S. counties for total population.
■ Lewis and Clark County: 73,464
Ranking Context
| Rank | County | Value |
|---|---|---|
| #760 | Wood County, WI | 74,004 |
| #761 | Lea County, NM | 73,733 |
| #762 | Kauai County, HI | 73,731 |
| #763 | Lewis and Clark County, MT | 73,464 |
| #764 | Pottawatomie County, OK | 73,463 |
| #765 | Raleigh County, WV | 73,195 |
| #766 | Toa Baja Municipio, PR | 73,039 |
Total Population in Lewis and Clark County, Montana
Lewis and Clark County, Montana has a total population of 73,464, which ranks #763 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Montana, Lewis and Clark County ranks #6 of 56 out of 56 counties. This places it in the 76th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.