In 2022, Yellowstone County, MT had a population of 166k people with a median age of 38.4 and a median household income of N/A. Between 2021 and 2022 the population of Yellowstone County, MT grew from 163,593 to 165,524, a 1.18% increase and its median household income N/A from N/A to N/A, a N/A% N/A.
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None of the households in Yellowstone County, MT reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.1% of the residents in Yellowstone County, MT are U.S. citizens.
Most people in Yellowstone County, MT drove alone to work, and the average commute time was 18.9 minutes. The average car ownership in Yellowstone County, MT was 2 cars per household.
Yellowstone County, MT borders Big Horn County, MT, Carbon County, MT, Golden Valley County, MT, Musselshell County, MT, Rosebud County, MT, Stillwater County, MT, and Treasure County, MT.