Spearfish

Population

11,900 (2020)

Type

City

Area

17.24 sq mi (44.64 km²), 0 sq mi water

Median age

37.8

Households

6,443

Persons per household

2.2

Median household income

$50,579

Average house value

$221,256

Businesses

706

Employees

6,182

Government

CITY OF SPEARFISH

Government office

625 N 5TH ST, SPEARFISH, SD 57783