THE JANESVILLE LAND BRIEF
Land in the
Eastern Iowa and Minnesota Drift Plains setting.
Janesville city has 1.39 square miles of land in Black Hawk County, Bremer County. Its Census reference point is in Eastern Iowa and Minnesota Drift Plains, within Western Corn Belt Plains.
Glacial till plains and windblown loess hills make up the Western Corn Belt landscape. Near-level and rolling terrain are interspersed with steeper river valleys and hills.
Regional context: Western Corn Belt Plains ↗ · Classification at the Census reference point
One place name. 2 county geographies.
Janesville intersects 2 county geographies: Black Hawk County, Bremer County. A Janesville mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Janesville by land and water
The Census records 0.06 square miles of water within Janesville, or 3.9% of its total area. It is 3.2 percentage points higher than the 0.7% recorded for Iowa. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Janesville city has 12.3% of the land area of nearby Waverly city (11.3 square miles). These areas describe boundaries, not comparable property prices.

