The official population of Munich city proper at 310.43 km is 1,368,840 inhabitants only with principal residence as of 31st January 2009. Around 176,000 inhabitants with secondary residence also live in administrative city limits but they are not calculated in this official census. According to some estimates that population counts around 200,000 people. The fast growing Munich urban area has 2,667,000 inhabitants (2008 estimate). Munich city with all suburbs at 12,000 km has 4,700,000 inhabitants and Munich metropolitan region that covers 27,700 km and includes Augsburg, Ingolstadt, Landshut, Rosenheim and Landsberg has around 6,000,000 inhabitants. Munich is the 12th largest city in EU by population within city limits and the 14th largest urban area in Europe. Its metropolitan area ranks among largest metro areas in Europe. As of December 2008, 47.3% of Munich's residents belong to no religious group, 38.3% are Roman Catholic, 14.0% are Lutheran Protestants and 0.3% are Jewish. There is also a small Old Catholic parish and an Episcopal Church.