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. 2021 Feb 5;55(5):2847–2858. doi: 10.1021/acs.est.0c05933

Table 1.

Demographic Characteristics Population White Nonwhite
King county 2,163,257 (100%) 1,404,974 (65%) 728,283 (35%)
within 1 km of the flight paths 188,922 (100%) 84,150 (45%) 104,722 (55%)
within 0.5 km of I-5 freeway 370,964 (100%) 205,278 (55%) 165,686 (45%)
within either 1 km of flight paths or 0.5 km of I-5 468,808 (100%) 254,419 (54%) 214,389 (46%)
a

5 year US Census American Community Survey (ACS) 2014–2018 tract data.