About.com cites 2005 figures of about 50,000 out of a country of well over 9 million total population. So this means that Hungary’s police unions are bizarrely and overly concerned with foreign policy that is hostile to Israel.
Note post 14 (and 15 and 16, not my fault). Religion is a census issue, and the number comes in just under 13,000. The higher numbers are estimates using other methods of determining who is a Jew than the answer on the census.