Mahaska County, Iowa

Mahaska is a county located in central Iowa. The largest city is Oskaloosa, which is also the seat. It is named for Chief Mahaska.

It borders Jasper, Poweshiek, Keokuk, Wapello, Monroe and Marion counties.
Main highways include US-63, IA-23, IA-92, IA-163 and IA-146.

Cities
Eddyville (Part)
New Sharon
Oskaloosa