Neighboring Block Groups: 
Block Group 520103-1, 
Block Group 520202-1, 
Block Group 520302-1, 
Block Group 520104-2, 
Block Group 520202-2, 
Block Group 520400-2, 
Block Group 520202-4, 
Block Group 520400-4, 
Block Group 520500-4, 
Block Group 520400-5, 
Block Group 520500-5