Oklahoma County Absentee Ballot Request. The deadline to request an absentee ballot is 5:00 p.m., the third monday (15 days) prior to an election. You can see when your absentee ballot was sent and when the county election board received it.

Obtain an absentee ballot application form from the oklahoma state election board website or your local county. The deadline to request an absentee ballot is 5:00 p.m., the third monday (15 days) prior to an election.