“…Excessive deaths among the youngest and most vulnerable members of a society reflect inadequate resources (food, income, parental education) and infrastructure (health care facilities/practitioners, clean water, waste treatment), as well as exposure to environmental risks (toxins, infectious disease vectors, poor housing quality). Higher infant mortality rates have been found in rural than urban areas in the United States, 2–4 as well as in counties with higher levels of socioeconomic disadvantage 5 . Yet, no studies have examined whether characteristics of rurality—smaller population, geographic isolation and proximity to population concentrations—are associated with infant mortality rates when socioeconomic conditions, infrastructure, and environmental risks, often associated with mortality and rurality, are considered.…”