Spearfish, South Dakota Population 2024

13,635

Spearfish Demographics

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

  • White: 89.18%
  • Two or more races: 5.83%
  • Native American: 2.68%
  • Black or African American: 0.84%
  • Other race: 0.77%
  • Asian: 0.48%
  • Native Hawaiian or Pacific Islander: 0.22%
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)
White10,94089.18%
Two or more races7155.83%
Native American3292.68%
Black or African American1030.84%
Other race950.77%
Asian590.48%
Native Hawaiian or Pacific Islander270.22%

White

Two or more races

Native American

Black or African American

Other race

Asian

Native Hawaiian or Pacific Islander

Spearfish Population by Race

Spearfish Population Pyramid 2024

Spearfish Median Age

38.4

Total

38.7

Male

38.2

Female

Spearfish Adults

There are 10,048 adults, (2,766 of whom are seniors) in Spearfish.

Spearfish Age Dependency

68.5

Age Dependency Ratio

38

Old Age Dependency Ratio

30.5

Child Dependency Ratio

Spearfish Sex Ratio

Female6,41252.27%
Male5,85647.73%

Spearfish Population by Age

Spearfish Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5,5562.075248
Non Family2,9861.332.767.3
Married2,0522.8979.620.4
Female3213.413862
Male1972.980.219.8

2.89

Average Family Size

2.07

Average Household Size

52.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Spearfish Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2172.7%
Associates Degree5727.12%
Bachelors Degree2,41630.08%
Graduate Degree1,21715.15%
High School Graduate1,67920.9%
Less Than 9th Grade1131.41%
Some College1,81822.63%

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
White7,4077,1503,398
2+ Races419405198
Hispanic12810233
Native American80331
Other Race414118
Islander27270
Asian181818
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$46,257$57,642$43,656
Graduate Degree$68,452$82,438$44,792
High School Graduate$29,030$45,325$22,722
Less Than 9th Grade$0$0$0
Overall$45,122$52,090$39,036
Some College$45,768$53,137$45,197

$45,122

Average Earnings

$52,090

Average Male

$39,036

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

96.86% of Spearfish residents speak only English, while 3.14% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.44% of the population.

Spearfish Language

Spearfish Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White10,2541,12811%
Multiple68724535.66%
Native29111639.86%
Hispanic2032210.84%

13.11%

Overall Poverty Rate

10.75%

Male Poverty Rate

15.32%

Female Poverty Rate

Poverty in Spearfish

The race most likely to be in poverty in Spearfish is Native, with 39.86% below the poverty level.

The race least likely to be in poverty in Spearfish is Hispanic, with 10.84% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.76%. Among those working part-time, it was 23.76%, and for those that did not work, the poverty rate was 17.58%.

Spearfish Poverty

rate

Rate
Poverty
Less Than 9th Grade32.14%
Some College12.22%
High School7.34%
Bachelors or Greater5.66%

Spearfish Poverty Rate by Education

rate

Rate
Poverty
Female Employed15.25%
Male Employed4.47%
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$89,812$132,771
Households$58,734$89,229
Married Families$104,390$-999,999,999
Non Families$40,222$50,132

mean

median

Income by Household Type

Spearfish Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.9%

Overall Marriage Rate

46.5%

Male Marriage Rate

39.7%

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

1,131

Number of Veterans

990

Male Veterans

141

Female Veterans

War
Veterans
First Gulf War359
Vietnam324
Second Gulf War171
Korea118
World War II26

Spearfish Veterans by War

count

Age Group
Veterans
75+363
35 to 54346
65 to 74261
55 to 64121
18 to 3440

Spearfish Veterans by Age

count

Name
Veterans
% of Total
White1,08012%
2+ Races518.25%
Hispanic2711.64%

Spearfish Veterans by Race

Spearfish Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0.27%

Veteran Poverty Rate

35.23%

Veteran Disability Rate

Spearfish Veterans by Education

LaborForceParticipation

64.2%

Labor Force Participation

62.5%

Employment Rate

2.3%

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

57.48%

Born in Spearfish

98.57%

Native Born

1.43%

Foreign Born

0.46%

Non Citizen

0.97%

Naturalized

Place of Birth

98.57% of Spearfish residents were born in the United States, with 57.48% having been born in South Dakota. 0.46% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.

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