Parnell township
- County:
- Brookings County
- County Seat:
- No
- Area (mi²):
- 35.735
- State:
- South Dakota
Parnell township is located in Brookings County, South Dakota. Parnell township has a 2026 population of 166. Parnell township is currently growing at a rate of 0.61% annually and its population has increased by 6.41% since the most recent census, which recorded a population of 156 in 2020.
The median household income in Parnell township is $86,250 with a poverty rate of 0%. The median age in Parnell township is 42 years: 38.9 years for males, and 60 years for females. For every 100 females there are 197.7 males.