What is the population of Yellowstone County, MT?
Yellowstone County in Montana has a population of 167,340, per Census ACS 5-Year estimates. The median household income is $74,400 and the median age is 38.7.
Context
Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Yellowstone County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.
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Yellowstone County in Montana has a population of 167,340, per Census ACS 5-Year estimates. The median household income is $74,400 and the median age is 38.7.