| Description: | Christian County, located in central Illinois, covers an area of 709 square miles and had a 2003 population of 35,127, according to estimates by the U.S. Department of Commerce's Bureau of the Census. Using these figures, Christian County was the 24th largest county in Illinois geographically, but 44th largest in terms of population. Combining these two measures, Christian County had the 50th highest population density per square mile among Illinois 102 counties. | |