THE JOLIET LAND BRIEF
Land in the
Illinois/Indiana Prairies setting.
Joliet city has 66.3 square miles of land in Kendall County, Will 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.
Joliet intersects 2 county geographies: Kendall County, Will County. A Joliet mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Joliet by land and water
The Census records 0.74 square miles of water within Joliet, or 1.1% of its total area. It is 3 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, Joliet city has 47 times the land area of nearby Rockdale village (1.41 square miles). These areas describe boundaries, not comparable property prices.

