Alpena is a town located in Jerauld County, South Dakota. Alpena has a 2025 population of 219 . Alpena is currently growing at a rate of 0.92% annually and its population has increased by 5.8% since the most recent census, which recorded a population of 207 in 2020.
The average household income in Alpena is $105,741 with a poverty rate of 18.34%. The median age in Alpena is 36 years: 40.2 years for males, and 35.9 years for females. For every 100 females there are 88.6 males.
Data after 2023 is projected based on recent change
The racial composition of Alpena includes 66.48% White, 20.92% other race, and smaller percentages for Native American and multiracial populations.
White (66.48%)
Other race (20.92%)
Two or more races (9.74%)
Native American (2.87%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 232 | 66.48% |
| Other race | 73 | 20.92% |
| Two or more races | 34 | 9.74% |
| Native American | 10 | 2.87% |
Married
Widowed
Divorced
Separated
Never Married
Alpena's average per capita income is $48,182. Household income levels show a median of $65,417. The poverty rate stands at 18.34%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,179 | - |
| Families | $87,607 | $124,791 |
| Households | $65,417 | $105,741 |
| Non Families | $47,656 | $58,340 |
Average Income
Median Household Income
Poverty Rate