Spearfish, SD Profile: Facts & Data


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Spearfish, South Dakota - Basic Facts

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The City of Spearfish is the 10th largest city in South Dakota with a population of 12,292 as of July 1, 2022.

The primary coordinate point for Spearfish is located at latitude 44.4908 and longitude -103.8594 in Lawrence County. The formal boundaries for the City of Spearfish 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 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.

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  1. Spearfish 2022 Demographic Data
  2. Growth Rates for Spearfish (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. South Dakota Research Tools (Easy Tools & Current Data)
  3. South Dakota Data Comparison Tool - 2022 Demographics

Spearfish, SD Data & Demographics (As of July 1, 2022)


Total Population 12,292 (100%)
Population in Households 11,745 (95.5%)
Population in Families 8,237 (67.0%)
Population in Group Quarters1 547 ( 4.5%)
Population Density 734
Diversity Index2 24


Median Household Income $56,044
Average Household Income $79,077
% of Income for Mortgage4 23%
Per Capita Income $35,549
Wealth Index5 59


Total HU (Housing Units) 6,061 (100%)
Owner Occupied HU 3,231 (53.3%)
Renter Occupied HU 2,192 (36.2%)
Vacant Housing Units 638 (10.5%)
Median Home Value $245,214
Average Home Value $275,209
Housing Affordability Index3 105


Total Households 5,423
Average Household Size 2.17
Family Households 2,841
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population 0.36% 0.36%
Households 0.60% 0.42%
Families   0.30%
Median Household Income   1.91%
Per Capita Income   2.22%
Owner Occupied HU   0.97%

Spearfish, SD - Peer Comparisons by Rank and Percentile

The table below compares Spearfish to the other 486 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2022 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 # 140 71st
Median Household Income # 319 35th
Housing Affordability Index # 248 51st
Per Capita Income # 196 60th
Diversity Index # 147 70th

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

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