About 600 - 700 homes evacuated in Iowa City on Sunday . More than 3,300 Iowa National Guard troops have been deployed to help primarily with sandbagging and staging resources , Maj. Some 36,000 homes , most in Cedar Rapids , have been evacuated . Agricultural damage estimated at $ 1 billion or more .
About 600 - 700 homes evacuated in Iowa City on Sunday . Some 36,000 homes , most in Cedar Rapids , have been evacuated . Agricultural damage estimated at $ 1 billion or more .