Cases of lead greater than or equal to 5 μg/dL in children under the age of 6 per 1,000 tested (2017)
10
20
30
40
50
Median household income (by ZIP code)
$25K
$50K
$75K
$100K
Boston-wide data
Median household income: $62,021Population: 669,158Cases >= 5 µg/dL: 352Number tested: 21,146Cases per 1,000 tested: 16.6
Sources: Childhood Lead Poisoning Prevention Program, Massachusetts Department of Public Health (data); Research and Evaluation Office, Boston Public Health Commission (analysis); income and population, 2013-2017 American Community Survey 5-year estimates, 2017