St. Helen is an unincorporated community in Richfield Township, Roscommon County in the U.S. state of Michigan. It is a census-designated place (CDP) for statistical purposes and has no legal status as an incorporated municipality. As of the 2000 census, the CDP had a total population of 2,993. The ZIP code is 48656.Web Sites and Links
St Helen AirportAeronautical information includes location, runway, taxiways, navaids, radio frequencies, FBO information, weather, sunrise and sunset times, and airport diagram.