Nisland is a town located in Butte County, South Dakota. Nisland has a 2025 population of 211 . Nisland is currently declining at a rate of -0.94% annually but its population has increased by 1.93% since the most recent census, which recorded a population of 207 in 2020.
The median household income in Nisland is $29,444 with a poverty rate of 23.95%. The median age in Nisland is 31.9 years: 41.2 years for males, and 30.6 years for females. For every 100 females there are 56.1 males.
Data after 2023 is projected based on recent change
The racial composition of Nisland includes 71.86% White, and smaller percentages for and multiracial populations.
White (71.86%)
Two or more races (28.14%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 120 | 71.86% |
| Two or more races | 47 | 28.14% |
Married
Widowed
Divorced
Separated
Never Married
Nisland's average per capita income is $23,839. Household income levels show a median of $29,444. The poverty rate stands at 23.95%.
Name | Median | Mean |
|---|---|---|
| Married Families | $40,750 | - |
| Families | $29,688 | $35,882 |
| Households | $29,444 | $36,888 |
| Non Families | - | $38,983 |
Average Income
Median Household Income
Poverty Rate