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 11,425 as of July 1, 2016.

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, 2016.

Neighborhood Data

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City of Spearfish, SD Boundary Map

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Spearfish, SD Data & Demographics (As of July 1, 2016)


Total Population 11,425
Population in Households 10,645
Population in Familes 7,426
Population in Group Qrtrs 780
Population Density1 694
Diversity Index2 20


Total Households 4,976
Average Household Size 2.14
Family Households 2,635
Average Family Size 3


Total Housing Units 5,560 (100%)
Owner Occupied HU 2,666 (47.9%)
Renter Occupied HU 2,310 (41.5%)
Vacant Housing Units 584 (10.5%)
Median Home Value $208,549
Average Home Value $257,877


Median Household Income $42,781
Average Household Income $62,882
Per Capita Income $27,492
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.31% 0.88%
Households 1.07% 0.76%
Families 1.79% 0.61%
Median Household Income   3.75%
Per Capita Income   2.12%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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, 2016 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 Density1 # 153 61st
Diversity Index2 # 132 66th
Median Household Income # 266 32nd
Per Capita Income # 162 59th

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

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