The International Church of the Foursquare Gospel is an evangelical Pentecostal Christian denomination. Commonly referred to as the Foursquare Church, as of 2000, it had a worldwide membership of over 5,000,000, with almost 30,000 churches in 123 countries. In 2006, membership in the United States was 353,995 in 1,875 churches. While congregations are concentrated along the West Coast, the denomination is well distributed across the United States. The states with the highest membership rates are Oregon, Hawaii, Montana, Washington, and California. Headquarters are in Los Angeles, California.