THE BROOKFIELD LAND BRIEF
Land in the
Illinois/Indiana Prairies setting.
Brookfield township has 44.3 square miles of land in 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
Brookfield and LaSalle County
Brookfield is associated with LaSalle 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.
Brookfield by land and water
The Census records 3.31 square miles of water within Brookfield, or 7% of its total area. It is 5.8 percentage points higher than the 1.1% recorded for LaSalle County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Brookfield township has 7.4 times the land area of nearby Seneca village (5.96 square miles). These areas describe boundaries, not comparable property prices.

