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The total population of Yellowstone County is estimated to be 165,524 with 82,077 males (49.59%) and 83,447 females (50.41%). There are 1,370 more females than males in Yellowstone County.
The median household income in Yellowstone County was $70,968 in 2021, which marked an a decrease of 1(0%) from $70,969 in 2020. This income is 95.12% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Yellowstone County sees its highest median household income among householders in the age group of 25 to 44 years old, at $90,033. Overall, the median household income for the county of Yellowstone County stands at $79,283.
In Yellowstone County, the median income for all workers aged 15 years and older, regardless of work hours, was $46,441 for males and $31,643 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $63,390 for males and $47,691 for females.
In Yellowstone County, there are just three different racial groups among households. Among these, Some Other Race households report a median household income of $90,781, followed by White households at $79,797, and Two or More Races households with a median household income of $76,415.
In 2022, the population of Yellowstone County was 169,852, a 1.47% increase year-by-year from 2021. Previously, in 2021, Yellowstone County's population was 167,397, an increase of 1.33% compared to a population of 165,196 in 2020.
The median age in Yellowstone County, MT is 38.5, as per 2021 ACS 5-Year Estimates. Of the total population, 19.69% were under the age of 15, 18.69% aged 15 to 29, 44.66% aged 30 to 64, 14.83% aged 65 to 84, and 2.13% were 85 years of age and older.
Racial distribution of Yellowstone County population: 88.28% are White, 0.86% are Black or African American, 4.19% are American Indian and Alaska Native, 0.74% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 1.30% are some other race and 4.60% are multiracial.