Mcnair is located in Fairfax County, VA. The population is 20,352.
There are 0 public schools in Mcnair with an average Homefacts rating of NA. The total crime rate for Mcnair is moderate , and there are 0 registered sex offenders residing in the city. Unemployment in Mcnair is low and the median home sales price is $0. Detailed and up-to-date Mcnair property reports are available for any property address.