Trenton township
- County:
- Brookings County
- County Seat:
- No
- Area (mi²):
- 35.067
- State:
- South Dakota
Trenton township is located in Brookings County, South Dakota. Trenton township has a 2026 population of 182. Trenton township is currently growing at a rate of 1.68% annually and its population has increased by 7.06% since the most recent census, which recorded a population of 170 in 2020.
The median household income in Trenton township is $113,750 with a poverty rate of 0%. The median age in Trenton township is 42.1 years: 39.3 years for males, and 42.3 years for females. For every 100 females there are 116.5 males.