eCad.92eScene.23Incident Census TractNoNoThe census tract in which the incident occurred.OptionalAirwayCardiac ArrestPediatricResponseSTEMIStrokeTraumaCensus Tract Data Website (files and descriptions): <a href="http://www.census.gov/geo/maps-data/data/tract_rel_download.html" target="_blank">http://www.census.gov/geo/maps-data/data/tract_rel_download.html</a> Added to improve the ability to use census and other demographic information within EMS research.