Kirby County

Kirby County is a fictional location featured in comic books published by DC Comics. It is associated with the Superman line of comic titles and made its first appearance by name in Superman, Volume 2 Annual #2 in 1988.

Kirby County is located in the Eastern United States. It is situated fifty miles northwest of Metropolis. The most well-known natural landmark in Kirby County is Mount Curtiss, though the general populace is unaware that the inside of the mountain was once the base of operations for Project Cadmus.