Time Zones and County Information for Cities in Illinois
For information about latitude and longitude co-ordinates for cities and towns in Illinois, please visit the Illinois latitude and longitude page.
Map of Counties in Illinois
|A map of counties in Illinois. You can also download this map in PDF format.|
Time Zone and Counties for Cities in Illinois
Due to the number of cities in Illinois, we have reduced the cities shown to only those that have a population of 5,000 or more.
Click a heading to sort the table.