What is the population of the largest city in the region WPJF serves?
WPJF: WPJF (1260 AM) is Christian Talk in Spanish radio station licensed to Greenville, South Carolina, USA, it serves the Upstate South Carolina area. Upstate South Carolina:  Greenville is the largest city in the region with a population of 67,453 and an urban-area population of 400,492, and it is the base of most commercial activity.
67,453