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McLean County which is larger than Rhode Island in total land acres. Its County Seat is Bloomington a city of about 75,000 and is the largest producer of both corn and soybeans of any US County.

McLean County is about 1,184 square miles in size.

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15y ago
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8y ago

McLean County is the largest in square miles, possibly followed by LaSalle. Cook County is the largest by population, followed by DuPage County.

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12y ago

McLean is the largest county in Illinois i don't know how large though?

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6y ago

McLean County is the largest county in Illinois with total land area of 1,184 square miles.

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9y ago

There are no countries in Illinois, it is a state in the USA, which is a country.

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6y ago

It is Cook County.

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15y ago

McLean County.

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Q: What is the largest county in Illinois?
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Related questions

What is the largest county in Illinois by population?

The largest county in Illinois is McLean County with 1,184 square miles.


What is Illinois's largest county?

McLean County.


What is the largest county by land area in Illinois?

McLean County


Where is McHenry County located?

McHenry County is a county that is located in Illinois. The county has a population of about 330,000, its county state is Woodstock, and it is the sixth largest county in Illinois.


Where is decatur Illinois?

Decatur is the largest city and the county seat of Macon County in the U.S. state of Illinois


What is the biggest city in Kendall county Illinois?

Joliet is a city in Kendall and Will Counties, Illinois. It is the largest city in Kendall County.


What county in Illinois has the most people?

Cook County is the largest county in Illinois with an estimated population of 5,238,216 as of July 1, 2015 per the U.S. Census Bureau.


What is the largest county in size measuring square miles in Illinois?

what is the largest county in size measuring square miles in illinios


Which county in Illinois has the most people?

Cook County is the largest county in Illinois with an estimated population of 5,238,216 as of July 1, 2015 per the U.S. Census Bureau.


How many square miles is the largest county of Illinois?

McLean County 1,184 sq mi


What is the most populated county in Illinois?

I think Chino or Tokio.. or maybe even Japan


What are the five largest counties in Illinois?

1.Cook County 2.Will County 3.DuPage County 4.McHenry County 5.Kane County