St. Helena is located in Napa County, CA. The population is 5,846, making St. Helena the 3rd largest city in Napa County.
There are 4 public schools in St. Helena with an average Homefacts rating of B+. The total crime rate for St. Helena is very low , and there are 2 registered sex offenders residing in the city. Unemployment in St. Helena is moderate and the median home sales price is $0. Detailed and up-to-date St. Helena property reports are available for any property address.