Fictional Locations

37.269175, -119.306607, California, USA - 1.01 Pilot ("Jericho")

38.997936, -105.55089, Colorado, USA - 1.02 Wendigo ("Black Water Ridge")

44.900802, -89.569491, Wisconsin, USA - 1.03 Dead in the Water ("Lake Manitoc")

41.889347, -91.714611, The Eastern Iowa, USA - 1.07 Hookman ("Eastern Iowa University")

35.960223, -96.459961, Oklahoma, USA - 1.08 Bugs ("Oasis Plains")

39.766555, -86.441236, Indiana, USA - 1.11 Scarecrow ("Burkittsville")

44.933696, -89.208984, Wisconsin, USA - 1.18 Something Wicked ("Fort Douglas")

39.061849, -106.248779, Colorado, USA - 1.20 Dead Man's Blood ("Manning")

41.938226, -93.389883, Iowa, USA - 1.21 & 1.22 ("Salvation")

44.212507, -100.247165, South Dakota, USA - 2.21 & 2.22 ("Cold Oak")

40.365159, -82.669415, Ohio, USA - 3.04 Sin City ("Elizabethville")

39.013849, -98.483505, Kansas, USA - 6.22, 7.01, & 7.02 (Bootbock)

39.840177, -96.632996, Kansas, USA - 7.02 (Stockville)

Season 1

1.01 Pilot - Jericho, California
1.02 Wendigo - Black Water Ridge, Colorado
1.03 Dead in the Water - Lake Manitoc, Wisconsin
1.07 Hookman - Eastern Iowa University - "Eastern Iowa University" is a fictional location created by scifi author Stephen Bury. ^source
1.08 Bugs - Oasis Plains, Oklahoma; Atoka Valley - Oasis Plains is "about 60 miles from Sapulpa, OK"
1.11 Scarecrow - Burkittsville, Indiana - Possibly a reference to Burkittsville, Maryland, in which the film The Blair Witch Project is set.
1.18 Something Wicked - Fort Douglas, Wisconsin
1.20 Dead Man's Blood - Manning, Colorado - This is where Daniel Elkins lived.
1.21 Salvation & 1.22 Devil's Trap - Salvation, Iowa

2.21 All Hell Breaks Loose: Part One & 2.22 All Hell Breaks Loose: Part Two - Cold Oak, South Dakota - A town so haunted it was abandoned (according to Sam).

3.04 Sin City - Elizabethville, Ohio - Sam describes Elizabethville as "half-dead factory town in the rust belt".

4.18 The Monster At The End Of The Book - Kripke's Hollow - As seen on the menus in the diner. A reference to Eric Kripke and probably a shout out to Star's Hollow from Gilmore Girls, in which Jared played Dean Forrester.

6.22 The Man Who Knew Too Much - Bootbock, Kansas - The location of Castiel and Crowley's hideout, and where they plan to open a door to Purgatory. The full address that Balthazar gives Dean is 221 Piermont Ave, Bootbock, Kansas.

7.01 Meet The New Boss - Bootbock, Kansas - Again, they travel to Castiel and Crowley's old hideout to open a door to Purgatory.

7.02 Hello, Cruel World - Bootbock, Kansas - They begin the episode at Castiel and Crowley's old hideout.

7.02 Hello, Cruel World - Stockville, Kansas - Dean travels to Stockville, where Leviathans possessed two adolescent boys and massacred their teammates on the Stockville Sharks swim team.