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. For every 100 females there are 131.6 males.
Data after 2023 is projected based on recent change
The racial composition of Porcupine includes 89.98% Native American, 8.01% other race, and smaller percentages for White and multiracial populations.
Native American (89.98%)
Other race (8.01%)
White (2%)
Race | Population | Percentage (of total) |
|---|---|---|
| Native American | 494 | 89.98% |
| Other race | 44 | 8.01% |
| White | 11 | 2% |
Married
Widowed
Divorced
Separated
Never Married
Porcupine's average per capita income is $0. Household income levels show a median of $20,256. The poverty rate stands at 82.06%.
Name | Median | Mean |
|---|---|---|
| Households | $20,256 | $16,835 |
| Families | - | $16,534 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate