The ­Racial/­Ethnic Distribution of Heat Risk–Related Land Cover in Relation to Residential Segregation

http://dx.doi.org/10.1289/ehp.1205919

Table 1. Proportion of urban residents living in areas with no tree canopy, high proportions of impervious surface, and both conditions, by race/ethnicity, segregation, housing tenure, and poverty.
Characteristic Total populationa [n (%)] No tree canopy (%) ≥ 50% impervious surface (%) Both conditions (%)
aTotal of 81,517,417 individuals in 63,436 block groups in 304 metropolitan areas.
Total population 81,517,417 (100.0) 42.1 62.2 36.5
Metro area segregation        
0.13 < Dm < 0.40 (97 CBSAs) 7,168,971 (8.8) 15.2 54.9 10.5
0.40 ≤ Dm < 0.50 (105 CBSAs) 17,696,848 (21.7) 40.7 54.9 33.9
0.50 ≤ Dm < 0.60 (78 CBSAs) 28,334,868 (34.8) 52.4 60.5 43.0
0.60 ≤ Dm < 0.76 (24 CBSAs) 28,326,730 (34.7) 38.9 69.2 37.7
Race/ethnicity        
Hispanic 21,360,877 (26.2) 56.8 72.3 49.8
Non-Hispanic
Asian 5,555,510 (6.8) 58.8 76.5 53.7
Black 15,343,325 (18.8) 34.2 61.8 31.1
White 39,257,705 (48.2) 34.4 54.0 28.6
Housing tenure        
Rented housing unit 39,409,709 (48.3) 46.2 72.0 42.4
Owner occupied 42,117,708 (51.7) 37.9 52.2 30.6
Household income relative to poverty        
Below poverty 14,038,788 (17.2) 46.1 68.7 41.3
Near poverty 16,283,421 (20.0) 44.8 65.4 39.4
At least twice poverty level 51,205,208 (62.8) 39.8 58.7 34.0