The Derby Post Office is located in the state of Kansas within Sedgwick County. This location serves 26,577 Derby residents with a median income of $66,393. It's estimated that approximately 42,420 packages pass through this post office each year.
The Derby Post Office is located in the state of Kansas within Sedgwick County. This location serves 26,577 Derby residents with a median income of $66,393. It's estimated that approximately 42,420 packages pass through this post office each year.