Riverton
- County:
- Sangamon County
- County Seat:
- No
- Area (mi²):
- 3.151
- State:
- Illinois
Riverton is a village located in Sangamon County, Illinois. Riverton has a 2026 population of 3,489. Riverton is currently declining at a rate of -0.14% annually and its population has decreased by -1.64% since the most recent census, which recorded a population of 3,547 in 2020.