Spearfish, SD Profile: Facts & Data

The City of Spearfish is the 10th largest city in South Dakota with a population of 11,541 as of July 1, 2021.

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.

Spearfish, SD Data & Demographics (As of July 1, 2021)

POPULATION
Total Population	11,541 (100%)
Population in Households	10,761 (93.2%)
Population in Families	7,481 (64.8%)
Population in Group Quarters¹	780 ( 6.8%)
Population Density	701
Diversity Index²	24


INCOME
Median Household Income	$50,509
Average Household Income	$69,388
% of Income for Mortgage⁴	20%
Per Capita Income	$30,963
Wealth Index⁵	59

HOUSING
Total HU (Housing Units)	5,843 (100%)
Owner Occupied HU	2,941 (50.3%)
Renter Occupied HU	2,198 (37.6%)
Vacant Housing Units	704 (12.0%)
Median Home Value	$235,795
Average Home Value	$268,750
Housing Affordability Index³	119

HOUSEHOLDS
Total Households	5,139
Average Household Size	2.09
Family Households	2,690
Average Family Size	3

NOTES

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.
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.
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.
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).
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.

Spearfish, SD - Peer Comparisons by Rank and Percentile

The table below compares Spearfish to the other 393 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2021 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.

GROWTH RATE / YEAR	2010-2021	2021-2026
Population	0.83%	0.7%
Households	0.89%	0.78%
Families	1.2%	0.6%
Median Household Income		1.01%
Per Capita Income		1.71%
Owner Occupied HU		1.44%

Variable Description	Rank	Percentile
Total Population	# 10	98th
Population Density	# 147	63rd
Median Household Income	# 306	22nd
Housing Affordability Index	# 151	38th
Per Capita Income	# 208	47th
Diversity Index	# 121	70th

Spearfish, SD Profile: Facts & Data

Spearfish, South Dakota - Basic Facts

Spearfish, SD Data & Demographics (As of July 1, 2021)

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Spearfish, SD - Peer Comparisons by Rank and Percentile

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