Neighboring Block Groups: 
Block Group 021600-1, 
Block Group 021200-1, 
Block Group 021000-1, 
Block Group 180300-1, 
Block Group 021700-1, 
Block Group 160100-2, 
Block Group 021700-2, 
Block Group 185200-2, 
Block Group 021000-2, 
Block Group 021700-3, 
Block Group 180500-3, 
Block Group 160100-4, 
Block Group 021700-4