Is Spearfish the best South Dakota city for your business?

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Now you can skip hours of internet research and jump straight to getting answers with our meaningful at-a-glance Demographics Spreadsheet Report. With the most current & most popular demographic data, it's the perfect starting point for your research about Spearfish and the rest of South Dakota.

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Spearfish Population

All Spearfish population data above are from the US Census Bureau.

The population data for Spearfish are from the Census' American Community Survey 2016 5-year estimates and the Census' 2017 Population Estimates. The demographic data for Armour, Brandon, Bryant, Pukwana, and Vermillion are the most current, comparable demographics available from the US Census Bureau, are from the American Community Survey 2016 5-year estimates, and were downloaded on 6 December 2018. Check out our FAQ section for more details.

Spearfish Demographics Summary

population icon Population

With 11,609 people, Spearfish is the 10th most populated city in the state of South Dakota out of 385 cities. But watch out, Spearfish, because Brandon with 9,957 people and Vermillion with 10,772 people are right behind you.

race icon Race & Ethnicity

The largest Spearfish racial/ethnic groups are White (91.6%) followed by American Indian (2.8%) and Hispanic (2.7%).

income icon Median Income

In 2016, the median household income of Spearfish residents was $44,330. Spearfish households made slightly more than Armour households ($44,063), Bryant households ($44,063), and Pukwana households ($44,167) . However, 15.2% of Spearfish residents live in poverty.

age icon Median Age

The median age for Spearfish residents is 31.8 years young.


86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group

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