Spearfish, SD Profile: Facts, Map & Data


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Spearfish, South Dakota - Basic Facts

The City of Spearfish is the 10th largest city in South Dakota with a population of 11,567 as of July 1, 2017.

The primary coordinate point for Spearfish is located at latitude 44.4917 and longitude -103.8195 in Lawrence County. The formal boundaries for the City of Spearfish (see map below) encompass a land area of 16.46 sq. miles and a water area of 0 sq. miles. Lawrence County is in the Mountain time zone (GMT -7). The elevation is 3,648 feet.

The City of Spearfish (GNIS ID: 1267588) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Spearfish population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Spearfish, SD Boundary Map

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Spearfish, SD Data & Demographics (As of July 1, 2017)


Total Population 11,567
Daytime Population: Workers 7,544
Daytime Population: Residents 5,426
Total Daytime Population (TDP) 12,970
Ratio TDP/Total Population1 1.12
Population in Households 10,787
Population in Familes 7,509
Population in Group Qrtrs 780
Population Density2 703
Diversity Index3 21


Median Household Income $50,600
Average Household Income $67,171
Per Capita Income $29,174


Total Housing Units 5,595 (100%)
Owner Occupied HU 2,745 (49.1%)
Renter Occupied HU 2,264 (40.5%)
Vacant Housing Units 586 (10.5%)
Median Home Value $212,908
Average Home Value $249,781


Total Households 5,009
Average Household Size 2.15
Family Households 2,668
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.3% 0.91%
Households 1.01% 0.95%
Families 1.72% 0.84%
Median Household Income   1.54%
Per Capita Income   2.38%

Spearfish, SD - Peer Comparisons by Rank and Percentile

The table below compares Spearfish to the other 391 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 10 98th
Population Density # 147 63rd
Diversity Index # 127 68th
Median Household Income # 188 52nd
Per Capita Income # 142 64th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

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