Which character is primarily associated with the literary location of King's Cross Station?

The character primarily associated with King's Cross Station is Harry Potter. In J.K. Rowling's "Harry Potter" series, King's Cross Station is significant as it serves as the departure point for students heading to Hogwarts School of Witchcraft and Wizardry. Specifically, Platform 9¾, which is hidden from Muggles, is where students catch the Hogwarts Express. Harry’s first journey to Hogwarts begins at this station, making it a pivotal location in his story. His experiences there, such as meeting other characters and discovering the magical world, further solidify his connection to King's Cross.

Though other characters play important roles throughout the series, it's Harry who takes the iconic journey to Hogwarts from this location, cementing his relationship with it in the hearts of readers.