Pierpont is a town located in Day County, South Dakota. Pierpont has a 2025 population of 119 . Pierpont is currently declining at a rate of -1.65% annually and its population has decreased by -5.56% since the most recent census, which recorded a population of 126 in 2020.
The average household income in Pierpont is $109,047 with a poverty rate of 10.3%. The median age in Pierpont is 39.5 years: 35.8 years for males, and 40.3 years for females. For every 100 females there are 103.7 males.
Data after 2023 is projected based on recent change
The racial composition of Pierpont includes 87.88% White, 9.09% Native American, and smaller percentages for and multiracial populations.
White (87.88%)
Native American (9.09%)
Two or more races (3.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 145 | 87.88% |
| Native American | 15 | 9.09% |
| Two or more races | 5 | 3.03% |
Married
Widowed
Divorced
Separated
Never Married
Pierpont's average per capita income is $48,977. Household income levels show a median of $85,000. The poverty rate stands at 10.3%.
Name | Median | Mean |
|---|---|---|
| Non Families | $95,417 | $153,900 |
| Households | $85,000 | $109,047 |
| Married Families | $83,125 | - |
| Families | $62,813 | $71,157 |
Average Income
Median Household Income
Poverty Rate