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The total population of Marshall County is estimated to be 4,363 with 2,232 males (51.16%) and 2,131 females (48.84%). There are 101 less females than males in Marshall County.
The median household income in Marshall County was $74,838 in 2021, which marked an a decrease of 2,279(2.96%) from $77,117 in 2020. This income is 100.31% 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, Marshall County sees its highest median household income among householders in the age group of 45 to 64 years old, at $91,518. Overall, the median household income for the county of Marshall County stands at $74,838.
In Marshall County, the median income for all workers aged 15 years and older, regardless of work hours, was $48,272 for males and $29,576 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $63,077 for males and $39,834 for females.
In Marshall County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Two or More Races households have the highest median household income at $87,013, while American Indian and Alaska Native households represent the opposite end with the lowest median household income of $33,259.
In 2022, the population of Marshall County was 4,374, a 1.27% increase year-by-year from 2021. Previously, in 2021, Marshall County's population was 4,319, an increase of 0.09% compared to a population of 4,315 in 2020.
The median age in Marshall County, SD is 42.4, as per 2021 ACS 5-Year Estimates. Of the total population, 20.03% were under the age of 15, 16.85% aged 15 to 29, 40.98% aged 30 to 64, 19.32% aged 65 to 84, and 2.81% were 85 years of age and older.
Racial distribution of Marshall County population: 83.97% are White, 0.11% are Black or African American, 7.25% are American Indian and Alaska Native, 4.25% are some other race and 4.41% are multiracial.