Ortley township
- County:
- Roberts County
- County Seat:
- No
- Area (mi²):
- 33.606
- State:
- South Dakota
Ortley township is located in Roberts County, South Dakota. Ortley township has a 2026 population of 87. Ortley township is currently declining at a rate of 0% annually and its population has increased by 1.16% since the most recent census, which recorded a population of 86 in 2020.
The median household income in Ortley township is $81,641 with a poverty rate of 0%. The median age in Ortley township is 62.6 years: 64.2 years for males, and 62.3 years for females. For every 100 females there are 117.3 males.