Yellowstone County, MT Map
Official Census boundary of Yellowstone County, Montana (FIPS 30111). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Yellowstone County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
168,957
Households
69,897
Median household income
$76,570
Median age
39 years
Median home value
$349,500
Median gross rent
$1,131/mo
Owner-occupied homes
69.6%
Bachelor's degree or higher
34.1%
Below poverty level
9.2%
Land area
2,633.4 sq mi
Population density
64 / sq mi