Lewis and Clark County, MT Map
Official Census boundary of Lewis and Clark County, Montana (FIPS 30049). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Lewis and Clark County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
73,464
Households
31,215
Median household income
$78,237
Median age
41.8 years
Median home value
$393,500
Median gross rent
$1,102/mo
Owner-occupied homes
70.1%
Bachelor's degree or higher
43%
Below poverty level
8.1%
Land area
3,458.4 sq mi
Population density
21 / sq mi