Population data from the Census 2013 American Community Survey by nation, region, division, state, county, metro area, place, and ZIP code

The higher the index value, the less exposure to toxins harmful to human health. Therefore, the higher the value, the better the environmental quality of a location. Mean, median, and standard deviation values provided by county.

Source: http://egis.hud.opendata.arcgis.com/datasets/53a856bef6f24356abee30653399e94a_0

List of elementary, middle, high and select other public schools across the nation.

Population data from the Census 2013 American Community Survey by nation, region, division, state, county, metro area, place, and ZIP code