Northwestern Ontario has some of the highest rates of sex offenders per capita in Ontario.
The Supreme Court of Canada had ordered the release of the statistics and the Ministry of Community Safety and Correctional Services has complied.
The POX postal code in the Kenora area has 49 listed sex offenders.
The POV area code which includes Red Lake, Ear Falls and more than a dozen First Nations, has 122-registered offenders.
The Dryden area has 16 convicted sex offenders, while Sioux Lookout recorded 11.