Cornelius is located in Washington County, OR. The population is 11,867, making Cornelius the 10th largest city in Washington County.
There are 3 public schools in Cornelius with an average Homefacts rating of C-. The total crime rate for Cornelius is low , and there are 5 registered sex offenders residing in the city. Unemployment in Cornelius is moderate and the median home sales price is $0. Detailed and up-to-date Cornelius property reports are available for any property address.
Cities near Cornelius include Forest Grove, Hillsboro and North Plains.