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The total population of Day County is estimated to be 5,485 with 2,821 males (51.43%) and 2,664 females (48.57%). There are 157 less females than males in Day County.
The median household income in Day County was $57,045 in 2021, which marked an an increase of 4,067(7.68%) from $52,978 in 2020. This income is 76.46% 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, Day County sees its highest median household income among householders in the age group of 45 to 64 years old, at $69,752. Overall, the median household income for the county of Day County stands at $57,045.
In Day County, the median income for all workers aged 15 years and older, regardless of work hours, was $44,221 for males and $23,635 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $53,428 for males and $42,561 for females.
In Day County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Some Other Race households have the highest median household income at $71,138, while American Indian and Alaska Native households represent the opposite end with the lowest median household income of $33,508.
In 2022, the population of Day County was 5,479, a 0.81% increase year-by-year from 2021. Previously, in 2021, Day County's population was 5,435, a decline of 0.13% compared to a population of 5,442 in 2020.
The median age in Day County, SD is 47.3, as per 2021 ACS 5-Year Estimates. Of the total population, 17.81% were under the age of 15, 15.62% aged 15 to 29, 40.95% aged 30 to 64, 21.51% aged 65 to 84, and 4.12% were 85 years of age and older.
Racial distribution of Day County population: 86.09% are White, 0.07% are Black or African American, 10.84% are American Indian and Alaska Native, 0.07% are Asian, 0.84% are some other race and 2.08% are multiracial.