Looking for woman or girl in Decatur? Decatur (Illinois) is on 448. place in USA by population, with about 74,710 residents, number of sexually active women in Decatur is ~ 24,281 , 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 Decatur.