North Detroit township
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 35.641
- State:
- South Dakota
North Detroit township is located in Brown County, South Dakota. North Detroit township has a 2026 population of 47. North Detroit township is currently declining at a rate of 0% annually and its population has decreased by -4.08% since the most recent census, which recorded a population of 49 in 2020.