THE PETERSBURG LAND BRIEF
Land in the
Illinois/Indiana Prairies setting.
Petersburg city has 1.56 square miles of land in Menard County. Its Census reference point is in Illinois/Indiana Prairies, within Central Corn Belt Plains.
Glaciated plains historically supported tallgrass prairie mixed with oak and hickory woodland. Dark prairie soils and broad farming landscapes distinguish much of the Central Corn Belt.
Regional context: Central Corn Belt Plains ↗ · Classification at the Census reference point
Petersburg and Menard County
Petersburg is associated with Menard County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Petersburg by land and water
The Census records 0 square miles of water within Petersburg, or 0% of its total area. It is 0.3 percentage points lower than the 0.3% recorded for Menard County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Petersburg city has 86.4% of the land area of nearby Lake Petersburg CDP (1.81 square miles). These areas describe boundaries, not comparable property prices.

