Lake County Illinois GISMortality Rates for Lake County, Illinois. Explanation of field attributes: Average Age of Death - The average age at which a people in the given zip code die. Cancer Deaths - Cancer deaths refers to individuals who have died of cancer as the underlying cause. This is a rate per 100,000. Heart Disease Related Deaths - Heart Disease Related Deaths refers to individuals who have died of heart disease as the underlying cause. This is a rate per 100,000. COPD Related Deaths - COPD Related Deaths refers to individuals who have died of chronic obstructive pulmonary disease (COPD) as the underlying cause. This is a rate per 100,000.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/b7183f6b99d3475f80946c39f270ae1b_4engLake County Illinois Open Data PortalPublicMortality Rates [Illinois--Lake County]Web servicesIllinois--Lake CountyIllinoisLast Modified: 2018-09-18