How to Find The Origin Of Your Last Name. Surnames, or last names, have been in existence since the 13th century. They were adopted as a means to distinguish people for tax purposes, but have become a way to identify people by their family, country of origin, and in some cases, religion.
As of the census of 2000, there were 1,905 people, 794 households, and 578 families residing in Coal City. The population density was 303.8 people per square mile (117.3/kmÂ²). There were 845 housing units at an average density of 134.7/sq mi (52.0/kmÂ²).
14.0%. According to our research of Illinois and other state lists there were 4 registered sex offenders living in Coal City, Illinois as of October 07, 2015. The ratio of number of residents in Coal City to the number of sex offenders is 1,389 to 1.atest news from Coal City, IL collected exclusively by city-data.com from local newspapers, TV, and radio stations. Ancestries: German (19.8%), Irish (14.4%), Italian (13.7%), English (7.1%), Polish (6.4%), United States (4.4%). Current Local Time: CST time zone.