THE PERU LAND BRIEF
Land in the
Illinois/Indiana Prairies setting.
Peru city has 10.4 square miles of land in Bureau County, LaSalle 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
One place name. 2 county geographies.
Peru intersects 2 county geographies: Bureau County, LaSalle County. A Peru mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Peru by land and water
The Census records 0.13 square miles of water within Peru, or 1.2% of its total area. It is 2.9 percentage points lower than the 4.1% recorded for Illinois. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Peru city has 12.5 times the land area of nearby Dalzell village (0.84 square miles). These areas describe boundaries, not comparable property prices.

