what county is bethesda maryland in
Homefacts City Report. Bethesda is located in Montgomery County, MD. The population is 61,560, making Bethesda the 5th largest city in Montgomery County. There are 17 public schools in Bethesda with an average Homefacts rating of A. The total crime rate for Bethesda is low, and there are 11 registered sex offenders residing in the city.