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The total population of Union County is estimated to be 16,700 with 8,531 males (51.08%) and 8,169 females (48.92%). There are 362 less females than males in Union County.
The median household income in Union County was $86,730 in 2021, which marked an an increase of 2,871(3.42%) from $83,859 in 2020. This income is 116.25% 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, Union County sees its highest median household income among householders in the age group of 45 to 64 years old, at $113,386. Overall, the median household income for the county of Union County stands at $86,730.
In Union County, the median income for all workers aged 15 years and older, regardless of work hours, was $57,387 for males and $34,026 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $74,134 for males and $53,601 for females.
In Union County, there are just three different racial groups among households. Among these, Two or More Races households report a median household income of $270,229, followed by Asian households at $140,590, and White households with a median household income of $84,393.
In 2022, the population of Union County was 17,063, a 1.16% increase year-by-year from 2021. Previously, in 2021, Union County's population was 16,868, an increase of 0.09% compared to a population of 16,853 in 2020.
The median age in Union County, SD is 39.7, as per 2021 ACS 5-Year Estimates. Of the total population, 20.32% were under the age of 15, 16.89% aged 15 to 29, 44.84% aged 30 to 64, 15.69% aged 65 to 84, and 2.25% were 85 years of age and older.
Racial distribution of Union County population: 91.95% are White, 0.41% are Black or African American, 1.19% are American Indian and Alaska Native, 1.46% are Asian, 0.76% are some other race and 4.23% are multiracial.