| | Description: | Tazewell County, located in central Illinois, covers an area of 649 square miles and had a 2003 population of 128,056, according to estimates by the U.S. Department of Commerce's Bureau of the Census. Using these figures, Tazewell County was the 29th largest county in Illinois geographically, but 15th largest in terms of population. Combining these two measures, Tazewell County had the 14th highest population density per square mile among Illinois 102 counties. | |
