Jason has 83 confirmed kills according to Robert Campbell in JGTH. Alice and Paul possibly aren't accounted for. Because of the "possession" angle of JGTH, I have counted Jason as responsible for the possessed people's deaths, even when other people were forced to kill them.

Jason Voorhees 1 (86) : Coroner - eats Jason's heart and becomes possessed 2 (87) : Coroner's Assistant - Autopsy probe in the back of the neck, face pushed through a metal grating 3 (88) : FBI Agent #1 - pencil through his spinal cord (offscreen) 4 (89) : FBI Agent #2 - fingers through his skull (offscreen) 5 (90) : Alexis - slashed up with a straight razor 6 (91) : Deborah - stabbed through the back with a barbed wire spike ripped in half 7 (92) : Luke - head crushed (offscreen) 8 (93) : Edna - head slammed in car door 9 (94) : Josh - possessed by Jason, shot in head and impaled with poker, later melts away XX (XX) : David - head bashed against faucet (cut from theatrical prints) 10 (95) : Diana - knife-sharpening pole in back 12 (96) : Robert Campbell - possessed by Jason, later shot in head, run over with car, impaled on a barbecue skewer 13 (97) : Officer Ryan - head bashed against a locker 14 (98) : Officer Mark - and 15 (99) : Officer Brian - heads bashed together 16 (100) : Ward - arm broken, falls dead through the diner doors 17 (101) : Diner Patron (plaid shirt) - crushed onto diner counter 19 (102) : Shelby - burned to death on a deep-fat fryer and grill 20 (103) : Joey B. - face bashed in 21 (104) : Vicki - impaled on a barbecue skewer, head crushed by Robert 23 (105) : Randy - possessed by Jason, later his neck is severed with a machete 24 (106) : Creighton Duke - bearhugged to death by Jason. Plus "Five more Jason-style murders" in the week between Jason's escape from the morgue and his arrival in Crystal Lake. Vicki 18 (1): Diner Patron (blue shirt) - caught by stray shotgun blast Accidental Deaths 22 : Sheriff Landis - impales himself on magic dagger Jessica Kimble 25 (1): Jason Voorhees - stabbed with magic dagger: sent to Hell