Delaware holds court in northern central Oklahoma that it assumed following stategood - 16th November 1907 - when Jay proudly served as the county seat alongside numerous other sizeable cities such as Bernice, Colcord and Kansas situated across its 2 100 km² (820 sq mi). Records from the UUnited States Census Bureau estimates categorized 41 525 individuals living within Delaware come 2019 which categorizes Delaware unmistakeably amongst some of most heavily populated counties existing along sideOklahomas borderlines.