
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 2025 population of 47. Ortley is currently declining at a rate of 0% annually and its population has decreased by -4.08% since the most recent census, which recorded a population of 49 in 2020.
The average household income in Ortley is $54,419 with a poverty rate of 27.42%. The median age in Ortley is 44 years: 48.5 years for males, and 40.8 years for females.