
Newark township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 35.738
- State:
- South Dakota
Newark township is located in Marshall County, South Dakota. Newark township has a 2025 population of 50. Newark township is currently declining at a rate of 0% annually and its population has increased by 4.17% since the most recent census, which recorded a population of 48 in 2020.
The average household income in Newark township is $121,229 with a poverty rate of 0%. The median age in Newark township is 73.7 years: 71.9 years for males, and 73.7 years for females.