Will County | |
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![]() Bison at Midewin National Tallgrass Prairie | |
![]() Location within the U.S. state of Illinois | |
![]() Illinois's location within the U.S. | |
Coordinates: 41°26′42″N 87°58′43″W / 41.44503°N 87.97866°W | |
Country | ![]() |
State | ![]() |
Founded | January 12, 1836 |
Named for | Conrad Will |
Seat | Joliet |
Largest city | Joliet |
Area | |
• Total | 849 sq mi (2,200 km2) |
• Land | 837 sq mi (2,170 km2) |
• Water | 12 sq mi (30 km2) 1.5% |
Population | |
• Total | 696,355 |
• Density | 820/sq mi (320/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Website | www |
Will County is a county in the state of Illinois in the United States. As of 2020, 696,355 people were living in Will County.[1] According to the United States Census Bureau, Will County has an area of 849 square miles.