Mill Valley is located in Marin County, CA. The population is 13,931, making Mill Valley the 3rd largest city in Marin County.
There are 7 public schools in Mill Valley with an average Homefacts rating of A+. The total crime rate for Mill Valley is low , and there are 3 registered sex offenders residing in the city. Unemployment in Mill Valley is low and the median home sales price is $0. Detailed and up-to-date Mill Valley property reports are available for any property address.
Cities near Mill Valley include Alto, Tamalpais Homestead Valley and Strawberry.