The Jewish community of the Greater Cleveland area comprises a significant ethnoreligious population of the U.S. State of Ohio. It began in 1839 by immigrants from Bavaria and its size has significantly grown in the decades since then. In the early 21st century, Ohio's census data reported over 150,000 Jews, with the Cleveland area being home to more than 50% of this population. As of 2018, Greater Cleveland is the 23rd largest Jewish community in the United States.