Which chapter of the manga version of Hyouka corresponds to the last episode of anime? Is Hyouka manga still ongoing? Which chapter of the manga version of Hyouka corresponds to the last episode of anime?
As of 26 October 2017, the manga consisted of 11 volumes and was still on-going.

Regarding the corresponding chapter to the last episode of the anime (episode 22: "The Hina Doll that Took a Detour"), as of February 2018, the answer is not yet, but possibly will be in volume 12.



As a matter of fact, Hyouka is originally a light novel series. Both the anime and the manga were based on it.

For reference, these are the current 6 volumes of the light novel (from Wikipedia):


Hyōka
Closing Credits of the Fool
The Order of Kudryavka
The Hina Doll that Took a Detour (compilation of short stories)
The Approximation of the Distance of Two
Even Though I'm Told I Now Have Wings (compilation of short stories)


The anime's order (from Japanese Wikipedia):


Episode 1:


Part A: Hyōka (1)
Part B: The Hina Doll that Took a Detour (4)

Episode 2-5: Hyōka (1)
Episode 6-7: The Hina Doll that Took a Detour (4)
Episode 8-11: Closing Credits of the Fool (2)
Episode 11.5 (OVA): anime original story
Episode 12-17: The Order of Kudryavka (3)
Episode 18: Even Though I'm Told I Now Have Wings (6)
Episode 19-22: The Hina Doll that Took a Detour (4)


And for the manga (from Japanese Wikipedia):


Volume 1: Hyōka (1), The Hina Doll that Took a Detour (4)
Volume 2: Hyōka (1), The Hina Doll that Took a Detour (4)
Volume 3: Hyōka (1), The Hina Doll that Took a Detour (4), Closing Credits of the Fool (2)
Volume 4-5: Closing Credits of the Fool (2)
Volume 6: Anime ch. 11.5 (OVA), The Order of Kudryavka (3)
Volume 7-9: The Order of Kudryavka (3)
Volume 10: The Order of Kudryavka (3), Even Though I'm Told I Now Have Wings (6), The Hina Doll that Took a Detour (4)
Volume 11: The Hina Doll that Took a Detour (4)




For comparison, volume 11 consists of:


Chapter 43: Christmas in the Box
Chapter 44: Sappy New Year (1)
Chapter 45: Sappy New Year (2)
Chapter 46: The Homemade Chocolates Case


and the last 4 episodes (from Wikipedia) are:


Episode 19: Anyone Who Knows
Episode 20: Sappy New Year
Episode 21: The Homemade Chocolates Case
Episode 22: The Hina Doll that Took a Detour