what county is avis, pa in?
Homefacts City Report. Avis is located in Clinton County, PA. The population is 1,873, making Avis the 2nd largest city in Clinton County. There are 0 public schools in Avis with an average Homefacts rating of NA. The total crime rate for Avis is very low, and there are 2 registered sex offenders residing in the city.