
Raritan township
- County:
- Day County
- County Seat:
- No
- Area (mi²):
- 34.693
- State:
- South Dakota
Raritan township is located in Day County, South Dakota. Raritan township has a 2025 population of 74. Raritan township is currently declining at a rate of -1.33% annually and its population has decreased by -2.63% since the most recent census, which recorded a population of 76 in 2020.
The average household income in Raritan township is $157,962 with a poverty rate of 0%. The median age in Raritan township is 35.5 years: 39.5 years for males, and 4.9 years for females.