| | Description: | Kane County, located in northeastern Illinois, covers an area of 520 square miles and had a 2003 population of 457,122, according to estimates by the U.S. Department of Commerce's Bureau of the Census. Using these figures, Kane County was the 50th largest county in Illinois geographically, but 5th largest in terms of population. Combining these two measures, Kane County had the 4th highest population density per square mile among Illinois 102 counties. | |
