Demographics in Spearfish, SD

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Spearfish?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

12,551

Male

6,092

48.5%

Female

6,459

51.5%

Median Age

37.2

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)
White
87.8%
Black
0.7%
Hispanic
3.1%
Asian
0.5%
Two or More
5.7%
Other
1.8%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

28.6%

High School or Higher

43.3%

Foreign Born

1.9%

Veterans

8.5%

Married

36.7%

Avg Household Size

2.0

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Spearfish, SD has a population of 12,551 with a median age of 37.2. The racial makeup is 87.8% White, 3.1% Hispanic, 0.7% Black, 0.5% Asian. About 28.6% of residents hold a bachelor's degree or higher. The foreign-born population is 1.9%.