Porcupine, South Dakota Population 2024

661

Porcupine is a city located in Oglala Lakota County South Dakota. Porcupine has a 2024 population of 661. Porcupine is currently declining at a rate of -21.4% annually and its population has decreased by -52.14% since the most recent census, which recorded a population of 1,381 in 2020.

The average household income in Porcupine is $18,055 with a poverty rate of 91.49%. The median age in Porcupine is 23 years: 19.9 years for males, and 23.7 years for females.

Porcupine Demographics

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

  • Native American: 93.44%
  • Other race: 4.7%
  • White: 1.86%
  • Black or African American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Two or more races: 0%
Land Area (mi²)
9.6 sq mi
Density (mi²)
68.90/sq mi
Growth Since 2020
-52.14% (-720)
The current population of Porcupine, South Dakota is 661 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 1,381.

Population by Race

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Race
Population
Percentage (of total)
Native American95493.44%
Other race484.7%
White191.86%
Black or African American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Two or more races00%

Native American

Other race

White

Black or African American

Asian

Native Hawaiian or Pacific Islander

Two or more races

Porcupine Population by Race

Porcupine Population Pyramid 2024

Porcupine Median Age

23

Total

19.9

Male

23.7

Female

Porcupine Adults

There are 594 adults, (115 of whom are seniors) in Porcupine.

Porcupine Age Dependency

113.2

Age Dependency Ratio

24

Old Age Dependency Ratio

89.1

Child Dependency Ratio

Porcupine Sex Ratio

Female50349.27%
Male51850.73%

Porcupine Population by Age

Porcupine Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2783.674.125.9
Married913.1671.428.6
Female895.7952.847.2
Non Family731.251000
Male254.328416

4.26

Average Family Size

3.6

Average Household Size

74.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Porcupine Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade14531.73%
Associates Degree408.75%
Bachelors Degree132.84%
Graduate Degree10.22%
High School Graduate17438.07%
Less Than 9th Grade183.94%
Some College6614.44%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Porcupine Educational Attainment by Sex (over 25)

Porcupine Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
Native American40924614
Other Race48480
Hispanic48480

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

The highest rate of bachelors degrees is among native american people with a rate of 3.42%.

Porcupine Educational Attainment by Race

Porcupine Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Porcupine Language

77.25% of Porcupine residents speak only English, while 22.75% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 22.75% of the population.

Porcupine Language

Porcupine Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Native93990396.17%

91.49%

Overall Poverty Rate

85.92%

Male Poverty Rate

97.14%

Female Poverty Rate

Poverty in Porcupine

The race most likely to be in poverty in Porcupine is Native, with 96.17% below the poverty level.

The race least likely to be in poverty in Porcupine is Native, with 96.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 100%. Among those working part-time, it was 100%, and for those that did not work, the poverty rate was 85.59%.

Porcupine Poverty

rate

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Rate
Poverty
Some College100%
Less Than 9th Grade86.5%
High School72.41%
Bachelors or Greater0%

Porcupine Poverty Rate by Education

rate

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Rate
Poverty
Male Employed100%
Male Unemployed100%
Female Employed0%
Female Unemployed0%

Porcupine Poverty Rate by Employment Status and Sex

Porcupine Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$21,849$19,500
Households$18,750$18,055
Married Families$21,484$-999,999,999
Non Families$13,533$13,996

mean

median

Income by Household Type

Porcupine Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

20.1%

Overall Marriage Rate

27.3%

Male Marriage Rate

13.7%

Female Marriage Rate

Porcupine Married by Age and Sex

male

female

Porcupine 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.

Porcupine Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Porcupine Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

52

Number of Veterans

52

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam48
First Gulf War4
Second Gulf War0
Korea0
World War II0

Porcupine Veterans by War

count

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Age Group
Veterans
65 to 7448
35 to 544
18 to 340
55 to 640
75+0

Porcupine Veterans by Age

count

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Name
Veterans
% of Total
Other Race48100%
Hispanic48100%
Native American40.76%

Porcupine Veterans by Race

Porcupine Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.69%

Veteran Poverty Rate

7.69%

Veteran Disability Rate

Porcupine Veterans by Education

LaborForceParticipation

16.6%

Labor Force Participation

10.8%

Employment Rate

35.1%

Unemployment Rate

Porcupine Employment by Age

LaborForceParticipation

Porcupine Employment by Race

LaborForceParticipation

Porcupine 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

89.03%

Born in Porcupine

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Porcupine residents were born in the United States, with 89.03% having been born in South Dakota. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Porcupine Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2024661-180-21.4%
2023841-180-17.63%
20221,021-268-20.79%
20211,289-92-6.66%
20201,381-89-6.05%
20191,470-47-3.1%
20181,517352.36%
20171,48218714.44%
20161,295-74-5.41%
20151,369181.33%
20141,35127926.03%
20131,07212212.84%
2012950-166-14.87%
20111,116545.08%
20101,06200%

Porcupine Population by Year