Spearfish, South Dakota Population 2024

13,635

Spearfish Demographics

According to the most recent ACS, the racial composition of Spearfish was:

  • White: 87.82%
  • Two or more races: 5.65%
  • Native American: 3.35%
  • Other race: 1.78%
  • Black or African American: 0.7%
  • Asian: 0.53%
  • Native Hawaiian or Pacific Islander: 0.18%
Land Area (mi²)
17.2 sq mi
Density (mi²)
791.10/sq mi
Growth Since 2020
11.56% (1,413)
The current population of Spearfish, South Dakota is 13,635 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 12,222.

Population by Race

Race
Population
Percentage (of total)
White11,02287.82%
Two or more races7095.65%
Native American4203.35%
Other race2231.78%
Black or African American880.7%
Asian670.53%
Native Hawaiian or Pacific Islander220.18%

White

Two or more races

Native American

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Spearfish Population by Race

Spearfish Population Pyramid 2024

Spearfish Median Age

37.2

Total

35.9

Male

37.9

Female

Spearfish Adults

There are 10,252 adults, (2,729 of whom are seniors) in Spearfish.

Spearfish Age Dependency

66.8

Age Dependency Ratio

36.3

Old Age Dependency Ratio

30.6

Child Dependency Ratio

Spearfish Sex Ratio

Female6,45951.46%
Male6,09248.54%

Spearfish Population by Age

Spearfish Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5,7742.0448.351.7
Non Family3,2001.3128.871.2
Married2,1122.9177.722.3
Female3053.237.462.6
Male1572.8973.226.8

2.86

Average Family Size

2.04

Average Household Size

48.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Spearfish Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2342.84%
Associates Degree5456.62%
Bachelors Degree2,41129.27%
Graduate Degree1,18114.34%
High School Graduate1,83922.32%
Less Than 9th Grade1001.21%
Some College1,92823.4%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Spearfish Educational Attainment by Sex (over 25)

Spearfish Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White7,4117,1703,350
2+ Races437428177
Native American20114523
Hispanic17213551
Other Race1128917
Asian252525
Islander22220
Black110

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 100%.

Spearfish Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$50,114$63,311$42,250
Graduate Degree$70,313$74,855$46,250
High School Graduate$29,066$36,016$24,348
Less Than 9th Grade$0$0$0
Overall$43,558$52,963$37,456
Some College$37,231$39,095$34,606

$43,558

Average Earnings

$52,963

Average Male

$37,456

Average Female

Spearfish Earnings by Educational Attainment

Spearfish Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Spearfish Language

95.98% of Spearfish residents speak only English, while 4.02% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.72% of the population.

Spearfish Language

Spearfish Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White10,3151,25512.17%
Multiple66826339.37%
Native39313734.86%
Hispanic29813143.96%
Other22111049.77%

15.2%

Overall Poverty Rate

11.26%

Male Poverty Rate

18.97%

Female Poverty Rate

Poverty in Spearfish

The race most likely to be in poverty in Spearfish is Other, with 49.77% below the poverty level.

The race least likely to be in poverty in Spearfish is White, with 12.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.68%. Among those working part-time, it was 26.57%, and for those that did not work, the poverty rate was 20.16%.

Spearfish Poverty

rate

Rate
Poverty
Less Than 9th Grade57.55%
Some College12.21%
High School10.3%
Bachelors or Greater6.3%

Spearfish Poverty Rate by Education

rate

Rate
Poverty
Female Employed18.09%
Male Employed4.63%
Male Unemployed0%
Female Unemployed0%

Spearfish Poverty Rate by Employment Status and Sex

Spearfish Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$94,128$124,590
Households$59,731$86,669
Married Families$108,462$-999,999,999
Non Families$37,388$54,643

mean

median

Income by Household Type

Spearfish Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.0%

Overall Marriage Rate

45.6%

Male Marriage Rate

38.6%

Female Marriage Rate

Spearfish Married by Age and Sex

male

female

Spearfish Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Spearfish Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Spearfish Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,072

Number of Veterans

871

Male Veterans

201

Female Veterans

War
Veterans
First Gulf War446
Vietnam245
Second Gulf War238
Korea67
World War II0

Spearfish Veterans by War

count

Age Group
Veterans
35 to 54410
65 to 74269
75+208
55 to 64145
18 to 3440

Spearfish Veterans by Age

count

Name
Veterans
% of Total
White94710.44%
2+ Races6710.86%
Native American5820.64%
Hispanic247.89%

Spearfish Veterans by Race

Spearfish Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.45%

Veteran Poverty Rate

35.95%

Veteran Disability Rate

Spearfish Veterans by Education

LaborForceParticipation

64.7%

Labor Force Participation

63.1%

Employment Rate

2.5%

Unemployment Rate

Spearfish Employment by Age

LaborForceParticipation

Spearfish Employment by Race

LaborForceParticipation

Spearfish Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

55.25%

Born in Spearfish

98.06%

Native Born

1.94%

Foreign Born

0.8%

Non Citizen

1.14%

Naturalized

Place of Birth

98.06% of Spearfish residents were born in the United States, with 55.25% having been born in South Dakota. 0.8% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Spearfish Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202915,4023542.35%
202815,0483532.4%
202714,6953532.46%
202614,3423542.53%
202513,9883532.59%
202413,6353532.66%
202313,2823582.77%
202212,9245614.54%
202112,3631411.15%
202012,2224303.65%
201911,792960.82%
201811,696170.15%
201711,6792021.76%
201611,4772712.42%
201511,2061551.4%
201411,051100.09%
201311,0413473.24%
201210,694650.61%
201110,6291000.95%
201010,52900%
20008,6061,64023.54%
19906,9661,71532.66%
19805,25159012.66%
19704,66197926.59%
19603,68292933.75%
19502,753-12,649-82.13%

Spearfish Population by Year