Porcupine

County:: Oglala Lakota County
County Seat:: No
Area (mi²):: 9.587
State:: South Dakota

Porcupine is a CDP located in Oglala Lakota County, South Dakota. Porcupine has a 2025 population of 1,011. Porcupine is currently declining at a rate of -0.3% annually and its population has decreased by -26.79% since the most recent census, which recorded a population of 1,381 in 2020.

The average household income in Porcupine is $16,835 with a poverty rate of 82.06%.The median age in Porcupine is 32.5 years: 32.2 years for males, and 36.3 years for females.

Demographics

The racial composition of Porcupine includes 89.98% Native American, 8.01% other race, and smaller percentages for White and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Native American	494	89.98%
Other race	44	8.01%
White	11	2%

Porcupine Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Porcupine's average per capita income is $0. Household income levels show a median of $20,256. The poverty rate stands at 82.06%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Households	$20,256	$16,835
Families	-	$16,534
Married Families	-	-
Non Families	-	-

$0

Average Income

$20,256

Median Household Income

82.06%

Poverty Rate