I have visited 40 Counties = 39.2% of Counties in Illinois
Illinois Map
Quick facts about Illinois
Location: See map on the right side of the page.
Size(1): 55,584 square miles. Illinois is the 24th largest state. The next larger state is Iowa and the next smaller state is Wisconsin.
Population(2): 12,763,371 people. Illinois is the 5th most populous state. The next more populous state is Florida and the next less populous state is Pennsylvania.
Population Density: 229.62 people per square mile. Illinois is the 12th most densely populated state. The next more densely populated state is California and the next less densely populated state is Hawaii.
Bordering States: Illinois shares a border with 5 states: Wisconsin, Iowa, Missouri, Kentucky and Indiana.
Admission to the Union: December 3, 1818. Illinois was the 21st state admitted to the Union, after Mississippi and before Alabama.
Below are the 102 counties in Illinois. Although infrequent, counties sometimes do change so please let me know if any of this information is out of date and I will update it. Those counties that I have visited are in bold. If I have a photograph or other item associated with a county somewhere else on my website, there will also be a link.
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