Costs and fees for a divorce can vary greatly depending on whether or not you hire an attorney, how much work you ask your attorney to do, whether or not you hire expert witnesses for your case, and many other factors.
There is a filing fee which is paid to the court. The Cover Sheet in your divorce papers printed off from OCAP will have the current fee amount.
As of May 12, 2009 the fee you will pay at the time you file is $338. This includes:
$310 filing fee
$8 Vital Statistic fee
$20 OCAP fee
There may be other costs such as service fees by the sheriff or constable.