Looking for woman or girl in Oshawa? Oshawa (Ontario) is on 31. place in Canada by population (land area is about 145.68 kmĀ²), with about 149,607 residents, number of sexually active women in Oshawa is ~ 50,866, so chances for long term relationship, getting laid or just hookup are pretty good, since all those women looking for sex, same as men. Try our selection of adult dating sites to find girls and women from Oshawa.