The number of deaths per 1,000 live births per year for infants under the age of one year, averaged over five years.
Infant mortality is considered an indicator of maternal health and the overall health of a community. It is also a marker of the availability and use of quality health care for pregnant women and infants.
In 2012-16, the five-year average infant mortality rate was 4.1 per 1,000 births, similar to the state rate and below the national rate of 5.9.
Essex County has a rate below Lake County, IL (4.6) and higher than both Middlesex, MA (3.2) and Westchester County, NY (3.9).