The arrestee was identified as Babul Fakir of Sholposhena village in Sadar upazila.
Altaf Hossain, deputy director of the local DWA office, said the victim, now a Class-VIII student, came to the office and complained against her father who violated her two years back.
He said Babul Fakir raped his daughter when she was in Class-VI.
The girl was married off to a youth later but got divorced one month after her marriage.
Recently, Babul Fakir again tried to rape his daughter but failed as she raised hue and cry.
Later, the girl lodged a complaint with the local DWF office.