Legend (COS/Census_OpenData)

Census Block Group - 1980 (0) Census Block Group - 1990 (1) Census Block Group - 2000 (2) Census Block Group - 2010 (3) Census Tract - 1960 (4) Census Tract - 1970 (5) Census Tract - 1980 (6) Census Tract - 1990 (7) Census Tract - 2000 (8) Census Tract - 2010 (9) Census Block - 1980 (10) Census Block - 1990 (11) Census Block - 2000 (12) Census Block - 2010 (13) Opportunity Zones (14)