But Desmond Meade, president of the Florida Rights Restoration Coalition, the amendment's main backer, puts the number at 100,000.
Most Floridians apparently agreed: The measure garnered support from liberal and conservative groups and passed with 64% of the vote.
Not all felons vote Democratic, of course, but some observers argued that the party would be the big winner since African Americans are disproportionately represented in Floridas felon population and they favor the party by wide margins.
William Freeman recently registered to vote after serving three years for grand theft, his fourth prison stint.
There is no way for officials to immediately check if felons owe money when they register, but they could face prosecution if they lie.