Stanley County, SD Demographics

The total population of Stanley County is estimated to be 2,979 with 1,710 males (57.40%) and 1,269 females (42.60%). There are 441 less females than males in Stanley County.
The median household income in Stanley County was $82,584 in 2021, which marked an an increase of 1,449(1.79%) from $81,135 in 2020. This income is 110.69% 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, Stanley County sees its highest median household income among householders in the age group of 25 to 44 years old, at $91,878. Overall, the median household income for the county of Stanley County stands at $82,584.
In Stanley County, the median income for all workers aged 15 years and older, regardless of work hours, was $46,334 for males and $39,681 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $58,293 for males and $46,826 for females.
In Stanley County, there are just two different racial groups among households. Among these, White households report a median household income of $86,136, while Two or More Races households have a median household income of $79,380.
In 2022, the population of Stanley County was 2,999, a 0.60% decrease year-by-year from 2021. Previously, in 2021, Stanley County's population was 3,017, an increase of 1.62% compared to a population of 2,969 in 2020.
The median age in Stanley County, SD is 43.3, as per 2021 ACS 5-Year Estimates. Of the total population, 17.35% were under the age of 15, 16.17% aged 15 to 29, 45.53% aged 30 to 64, 18.36% aged 65 to 84, and 2.60% were 85 years of age and older.
Racial distribution of Stanley County population: 91.06% are White, 0.57% are Black or African American, 3.37% are American Indian and Alaska Native, 1.25% are Native Hawaiian and other Pacific Islander, 0.57% are some other race and 3.17% are multiracial.