Lake Petersburg
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 1.807
- State:
- Illinois
Lake Petersburg is a CDP located in Cass County, Illinois Illinois. Unfortunately, the data for this location is currently limited or unavailable.
The median household income in Lake Petersburg is $144,375 with a poverty rate of 2.69%. The median age in Lake Petersburg is 60.8 years: 62 years for males, and 59.5 years for females. For every 100 females there are 113.8 males.