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The total population of Spearfish is estimated to be 12,268 with 5,856 males (47.73%) and 6,412 females (52.27%). There are 556 more females than males in Spearfish.
The median household income in Spearfish was $56,486 in 2021, which marked an a decrease of 253(0.45%) from $56,739 in 2020. This income is 75.71% 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, Spearfish sees its highest median household income among householders in the age group of 45 to 64 years old, at $80,124. Overall, the median household income for the city of Spearfish stands at $56,486.
In Spearfish, the median income for all workers aged 15 years and older, regardless of work hours, was $38,836 for males and $22,726 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $56,828 for males and $41,405 for females.
In Spearfish, there are just two different racial groups among households. Among these, Asian households report a median household income of $76,230, while White households have a median household income of $58,502.
In 2022, the population of Spearfish was 12,914, a 4.54% increase year-by-year from 2021. Previously, in 2021, Spearfish's population was 12,353, an increase of 1.07% compared to a population of 12,222 in 2020.
The median age in Spearfish, SD is 36.8, as per 2021 ACS 5-Year Estimates. Of the total population, 13.24% were under the age of 15, 27.99% aged 15 to 29, 36.70% aged 30 to 64, 18.83% aged 65 to 84, and 3.23% were 85 years of age and older.
Racial distribution of Spearfish population: 90.49% are White, 0.79% are Black or African American, 3.03% are American Indian and Alaska Native, 0.69% are Asian, 0.02% are some other race and 4.97% are multiracial.