(Portland, OR) -- Oregon is being called one of the nation's three least religious states. New data from the U.S. Census Bureau's Household Pulse Survey shows Oregon has the third-fewest number of church-goers in the U.S. The numbers show around 65-percent of Oregon residents never attend religious services or go less than once per year. Maine was ranked the least religious state, with 69-percent never attending services, followed by Vermont with the same percentage. The survey was conducted in January and February of this year.