Derby is located in Lucas County, IA. The population is 109, making Derby the 4th largest city in Lucas County.
There are 0 public schools in Derby with an average Homefacts rating of NA. The total crime rate for Derby is moderate , and there are 1 registered sex offenders residing in the city. Unemployment in Derby is low and the median home sales price is $0. Detailed and up-to-date Derby property reports are available for any property address.
Cities near Derby include Union Township, Warren Township and Humeston.