Legend (NCRCRD/NCRCRD_Persistent_Poverty_counties_1970_2016)

States (0) Census 2000-10-16 (2) PP_00_10_16 (29 counties) Persistent Poverty Census 1990-00-10 (3) PP_90_00_10 (29 counties) Persistent Poverty Census 1980-90-00 (4) PP_80_90_00 (28 counties) Persistent Poverty Census 1970-80-90 (5) PP_70_80_90 (47 counties) Persistent Poverty County boundary (6)