Iroquois County, Illinois

Iroquois County
Iroquois County
County
	Old Iroquois County Courthouse
	Location within the U.S. state of Illinois
	Illinois's location within the U.S.
	Coordinates: 40°44′N 87°49′W / 40.74°N 87.82°W
Country	United States
State	Illinois
Founded	1833
Named for	Iroquois River
Seat	Watseka
Largest city	Watseka
Area
• Total	1,119 sq mi (2,900 km2)
• Land	1,117 sq mi (2,890 km2)
• Water	1.6 sq mi (4 km2) 0.1%
Population (2020)
• Total	27,077
• Estimate (2023)	26,136
• Density	24/sq mi (9.3/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	2nd
Website	www.co.iroquois.il.us

Iroquois County is a county located in the northeast part of the U.S. state of Illinois. According to the 2020 United States Census, it has a population of 27,077.^[1] It is the only county in the United States named Iroquois.^[2] The county seat is Watseka.^[3] The county is located along the border with Indiana.

^ "U.S. Census Bureau QuickFacts: Iroquois County, Illinois".
^ Cite error: The named reference Dowling 1968, p. 9 was invoked but never defined (see the help page).
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.

[1] "U.S. Census Bureau QuickFacts: Iroquois County, Illinois".

[Dowling_1968,_p._9-2] Cite error: The named reference Dowling 1968, p. 9 was invoked but never defined (see the help page).

[GR6-3] "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.

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