Spearfish, South Dakota Population 2019

Spearfish, South Dakota's estimated population is 11,688 according to the most recent United States census estimates. Spearfish, South Dakota is the 10th largest city in South Dakota based on official 2017 estimates from the US Census Bureau.

The population density is 710.13 people/mi² (274.18 people/km²).

The overall median age is 32.5 years, 31.1 years for males, and 33.7 years for females. For every 100 females there are 91.7 males.

Based on data from the American Community Survey, in 2017 there were 5,413 households in the city, with an average size of 2.14 people per household. The homeowner vacancy rate was 1.5%, with a median rent of $668/month. The median house has 4.8 rooms, and has a value of $206,100.

The median income for households in Spearfish, South Dakota is $43,692, while the mean household income is $60,302.

Spearfish Sd Demographics

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

  • White: 93.46%
  • Native American: 2.50%
  • Two or more races: 1.41%
  • Other race: 0.96%
  • Asian: 0.88%
  • Black or African American: 0.65%
  • Native Hawaiian or Pacific Islander: 0.15%
LatLng(44.4908, -103.8594)
Rank in State10th
StateSouth Dakota
CountyLawrence County
Time ZoneMountain Time Zone
Land Area (km²)42.63 (16.46 mi²)
Water Area (km²)0.01 (0.00 mi²)
TypeCity
GEOID4660020
Density (km²)274.18
Density (mi²)710.13
Area Code(s)605
Year Population Growth Annual Growth Rate
201811,688580.50%
201711,6301981.73%
201611,4322362.11%
201511,1961521.38%
201411,044110.10%
201311,0333453.23%
201210,688620.58%
201110,626930.88%
201010,5331,9272.04%
20008,6061,6402.14%
19906,9661,7152.87%
19805,2515901.20%
19704,6619792.39%
19603,6829292.95%
19502,7530.00%

Population by Race

Race Population
White10,561
American Indian and Alaska Native283
Two or More Races159
Some Other Race108
Asian99
Black or African American73
Native Hawaiian and Other Pacific Islander17

Spearfish Sd Population Pyramid 2019

Spearfish Sd Median Age

32.5


Total

31.1


Male

33.7


Female

Spearfish Sd Adults

There are 9,280 adults, (1,950 of whom are seniors) in Spearfish Sd.

Spearfish Sd Age Dependency

54.2

Age Dependency Ratio

26.6

Old Age Dependency Ratio

27.6

Child Dependency Ratio

Spearfish Sd Sex Ratio

Female

5,895

52.17%

Male

5,405

47.83%

Spearfish Sd Households and Families

Spearfish Sd Renter vs Owner Occupied by Household Type

Spearfish Sd Household Types

Type Owner Renter
Married80.1%19.9%
All50.7%49.3%
Female41.6%58.4%
Male32.6%67.4%
Non Family28.8%71.2%

50.7%

Rate of Home Ownership

Type Count Average Size Owned
All4,8532.1450.7
Non Family2,3991.4128.8
Married1,9712.8680.1
Female3972.8341.6
Male862.9132.6

2.77

Average Family Size

2.14

Average Household Size

8.3%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Spearfish Sd Education

Education Attained Count Percentage
Less Than 9th Grade1251.77%
9th to 12th Grade1892.68%
High School Graduate2,03628.90%
Some College1,52521.65%
Associates Degree6699.50%
Bachelors Degree1,66623.65%
Graduate Degree83511.85%

Spearfish Sd Educational Attainment by Race

Name Total High School Bachelors
White6,7286,4502,367
Hispanic12412452
Native American10110129
Asian545438
Black30
Multiple Races302424
Other Race1717

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among multiple races people with a rate of 80.00%.

Name Average Male Female
Overall$30,541$37,067$26,015
Less Than High School$$$
High School Grad$26,759$35,903$19,896
Some College$25,689$33,068$20,779
Bachelors Degree$30,747$26,442$31,652
Graduate Degree$50,556$50,590$49,886

$30,541

Average Earnings

$37,067

Average Male

$26,015

Average Female

Spearfish Sd Language

Spearfish Sd Language by Age

Spearfish Sd Language

96.65% of Spearfish Sd residents speak only English, while 3.35% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.54% of the population.

Spearfish Sd Poverty

Spearfish Sd Poverty by Race

Name Total In Poverty Poverty Rate
White9,6591,36614.14%
Native23714661.60%
Multiple1346750.00%
Hispanic3184514.15%
Asian641320.31%
Black431330.23%

15.57%

Overall Poverty Rate

12.21%

Male Poverty Rate

18.80%

Female Poverty Rate

Poverty in Spearfish Sd

The race most likely to be in poverty in Spearfish Sd is Native, with 61.60% below the poverty level.

The race least likely to be in poverty in Spearfish Sd is White, with 14.14% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.58%. Among those working part-time, it was 32.38%, and for those that did not work, the poverty rate was 19.41%.

Name Poverty
Some College11.41%
High School11.22%
Less Than High School7.34%
Bachelors or Greater6.48%
Name Poverty
Female Unemployed59.63%
Female Employed13.62%
Male Employed8.37%
Male Unemployed0.00%

Spearfish Sd Income

Spearfish Sd Income by Household Type

Name Median Mean
Households$43,692$60,302
Families$75,381$79,851
Married Families$80,542-
Non Families$27,919$37,628

Spearfish Sd Marital Status

Spearfish Sd Marital Status

Marriage Rates

42.5%

Overall Marriage Rate

44.6%

Male Marriage Rate

40.8%

Female Marriage Rate

Spearfish Sd Married by Age and Sex

Spearfish Sd 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 45-54.

Spearfish Sd Marital Status by Race

Spearfish Sd Veterans

784

Number of Veterans

696

Male Veterans

88

Female Veterans

War Veterans
Vietnam255
Korea146
Second Gulf War136
First Gulf War123
World War II13

Spearfish Sd Veterans by Race

Name Veterans % of Total
White7478.61%
Hispanic3712.80%
Other1715.74%
Indian115.61%
Asian99.09%

Spearfish Sd Veterans by Education

7.79%

Veteran Poverty Rate

36.14%

Veteran Disability Rate

Spearfish Sd Employment Status

66.5%

Labor Force Participation

64.3%

Employment Rate

3%

Unemployment Rate

Spearfish Sd Place of Birth

Origin of Non Citizens

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

Origin of Naturalized Citizens

54.19%

Born in South Dakota

97.65%

Native Born

2.35%

Foreign Born

1.58%

Non Citizen

Place of Birth

97.65% of Spearfish Sd residents were born in the United States, with 54.19% having been born in South Dakota. 1.58% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.