Portage township is located in Brown County, South Dakota. Portage township has a 2025 population of 36. Portage township is currently declining at a rate of 0% annually and its population has decreased by -2.7% since the most recent census, which recorded a population of 37 in 2020.
Data after 2023 is projected based on recent change
The racial composition of Portage township includes 100% White, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 17 | 100% |
Married
Widowed
Divorced
Separated
Never Married