Meridian is the principal city in the Meridian micropolitan area , which as of 2009 consisted of three counties – Clarke , Kemper , and Lauderdale – and had a population of 106 @,@ 139 . It is a population of 232 @,@ 900 in a 45 @-@ mile ( 72 km ) radius and 526 @,@ 500 in a 65 @-@ mile ( 105 km ) radius .