The data for Warren County are summarized in this water planning data fact sheet.
Warren County is located in south central Iowa.
Wholesale and retail trade, service, and manufacturing are the principal economic sectors, as measured by employee earnings. The county contains gently rolling hills and small drainage streams. The population of 36,033 is distributed in 14 incorporated cities and the surrounding rural areas. State Highway 92 crosses the county from east to west. Interstate Highway 35 and U.S. Highways 69 and 65 cross the county from north to south.