Vsevolozhsk is a town and the administrative center of Vsevolozhsky District in Leningrad Oblast, Russia, located on the Karelian Isthmus 24 kilometers (15 mi) east of Saint Petersburg. Historically, the population of Vsevolozhsk was as follows: 59,704 (2010 census); 45,310 (2002 census); 31,946 (1989 Soviet census).