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The total population of Pennington County is estimated to be 110,386 with 56,398 males (51.09%) and 53,988 females (48.91%). There are 2,410 less females than males in Pennington County.
The median household income in Pennington County was $67,607 in 2021, which marked an an increase of 1,570(2.38%) from $66,037 in 2020. This income is 90.62% 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, Pennington County sees its highest median household income among householders in the age group of 45 to 64 years old, at $74,871. Overall, the median household income for the county of Pennington County stands at $65,801.
In Pennington County, the median income for all workers aged 15 years and older, regardless of work hours, was $41,358 for males and $25,972 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $58,263 for males and $46,739 for females.
In Pennington County, there are just three different racial groups among households. Among these, Two or More Races households report a median household income of $70,572, followed by White households at $68,806, and American Indian and Alaska Native households with a median household income of $18,943.
In 2022, the population of Pennington County was 114,461, a 2.33% increase year-by-year from 2021. Previously, in 2021, Pennington County's population was 111,854, an increase of 2.09% compared to a population of 109,563 in 2020.
The median age in Pennington County, SD is 38.9, as per 2021 ACS 5-Year Estimates. Of the total population, 19.43% were under the age of 15, 18.44% aged 15 to 29, 43.89% aged 30 to 64, 16.24% aged 65 to 84, and 2.00% were 85 years of age and older.
Racial distribution of Pennington County population: 80.64% are White, 1.25% are Black or African American, 8.58% are American Indian and Alaska Native, 1.24% are Asian, 0.11% are Native Hawaiian and other Pacific Islander, 1.03% are some other race and 7.15% are multiracial.