Frederick is located in Weld County, CO. The population is 8,626, making Frederick the 4th largest city in Weld County.
There are 5 public schools in Frederick with an average Homefacts rating of C+. The total crime rate for Frederick is very low , and there are 16 registered sex offenders residing in the city. Unemployment in Frederick is moderate and the median home sales price is $0. Detailed and up-to-date Frederick property reports are available for any property address.