The data for Louisa County are summarized in this water planning data fact sheet. Louisa County is located in southeast Iowa on the Mississippi River.
Manufacturing is the principal economic activity, as measured by employee earnings.
The county contains steeply rolling hills, the flat-floored corridor of the Mississippi River Alluvial Plain, and the Iowa River Valley. The population of 11,592 is distributed in 9 incorporated cities and the surrounding rural areas. U.S. Highway 61 crosses the county from north to south. State Highway 92 crosses the county from east to west. This data sheet focuses on water uses that withdraw water from ground and surface water sources.