Uniondale is located in Nassau County, NY. The population is 23,141, making Uniondale the 8th largest city in Nassau County.
There are 6 public schools in Uniondale with an average Homefacts rating of B-. The total crime rate for Uniondale is very low , and there are 11 registered sex offenders residing in the city. Unemployment in Uniondale is moderate and the median home sales price is $0. Detailed and up-to-date Uniondale property reports are available for any property address.
Cities near Uniondale include Roosevelt, North Merrick and East Garden City.