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There are 80 parishes in the Diocese of Grand Rapids. The diocese comprises 11 counties in Western Michigan: Ionia, Kent, Lake, Mason, Mecosta, Montcalm, Muskegon, Newaygo, Oceana, Osceola, and Ottawa and covers 6,795 square miles. Total population of the 11-county area is estimated at 1,396,667 (2014 U.S. Census). The Catholic population is over 191,000 (2014 Official Catholic Directory).