Ortley
- County:
- Roberts County
- County Seat:
- No
- Area (mi²):
- 2.244
- State:
- South Dakota
Ortley is a town located in Roberts County, South Dakota. Ortley has a 2026 population of 50. Ortley is currently growing at a rate of 4.17% annually and its population has increased by 2.04% since the most recent census, which recorded a population of 49 in 2020.
The median household income in Ortley is $31,806 with a poverty rate of 47.95%. The median age in Ortley is 42.3 years: 51.1 years for males, and 20.7 years for females. For every 100 females there are 204.2 males.