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McLean County, Illinois facts for kids

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McLean County
Old McLean County Courthouse
Map of Illinois highlighting McLean County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Country  United States
State  Illinois
Founded December 25, 1830
Named for John McLean
Seat Bloomington
Largest city Bloomington
Area
 • Total 1,186 sq mi (3,070 km2)
 • Land 1,183 sq mi (3,060 km2)
 • Water 2.9 sq mi (8 km2)  0.2%
Population
 (2020)
 • Total 170,954
 • Density 144.14/sq mi (55.654/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional districts 16th, 17th

McLean County is a large county located in the middle-eastern part of Illinois. It's the biggest county in the state when you look at its land area! In 2020, about 170,954 people lived here. The main city and government center, called the county seat, is Bloomington. McLean County is also part of the bigger Bloomington–Normal area.

How to Say McLean County

When people who live here say "McLean," the second part sounds like "KLAIN," not "KLEEN." So, it's pronounced "muh-KLAIN."

History of McLean County

The first European settlers arrived in the area that would become McLean County around 1821. The very first settlement was called Blooming Grove. It was started in 1822, close to where Bloomington is today.

McLean County was officially created on December 25, 1830. It was formed from a part of Tazewell County. The county was named after John McLean, who was a United States Senator for Illinois. He passed away in 1830.

Geography and Land Area

McLean County covers a total area of about 1,186 square miles. Most of this, about 1,183 square miles, is land. Only a small part, 2.9 square miles, is water.

It is the largest county in Illinois by land area. It's also the third largest overall, after Cook and Lake Counties. Those counties have big parts of their area in Lake Michigan. McLean County is actually larger than the entire land area of Rhode Island!

Climate and Weather

Weather chart for Bloomington, Illinois
J F M A M J J A S O N D
 
 
1.7
 
31
14
 
 
1.7
 
37
18
 
 
2.9
 
48
29
 
 
3.8
 
61
40
 
 
4.5
 
73
51
 
 
3.9
 
83
61
 
 
4
 
86
65
 
 
3.8
 
84
63
 
 
3
 
77
54
 
 
2.7
 
65
42
 
 
3.1
 
49
31
 
 
2.4
 
36
20
temperatures in °F
precipitation totals in inches
source: The Weather Channel

The weather in Bloomington, the county seat, changes a lot throughout the year. In January, the average low temperature is about 14°F. In July, the average high temperature is around 86°F.

The coldest temperature ever recorded was -23°F in January 1985. The hottest was 103°F in June 1988. The county gets the most rain in May, with about 4.52 inches on average. February is usually the driest month.

Neighboring Counties

McLean County shares borders with several other counties:

Main Roads and Highways

Many important roads pass through McLean County, connecting it to other parts of Illinois and beyond.

Public Transportation

The county has several ways for people to get around without a car.

  • Connect Transit
  • SHOW Bus
  • Uptown Station
  • List of intercity bus stops in Illinois

Population and People

Historical population
Census Pop.
1840 6,565
1850 10,163 54.8%
1860 28,772 183.1%
1870 53,988 87.6%
1880 60,100 11.3%
1890 63,036 4.9%
1900 67,843 7.6%
1910 68,008 0.2%
1920 70,107 3.1%
1930 73,117 4.3%
1940 73,930 1.1%
1950 76,577 3.6%
1960 83,877 9.5%
1970 104,389 24.5%
1980 119,149 14.1%
1990 129,180 8.4%
2000 150,433 16.5%
2010 169,572 12.7%
2020 170,954 0.8%
2023 (est.) 170,441 0.5%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2019

In 2010, about 169,572 people lived in McLean County. The county had about 65,104 households. Most of the people living here were white (84.3%). Other groups included Black or African American (7.3%) and Asian (4.3%). About 4.4% of the population was of Hispanic or Latino background.

Many people in McLean County have German (31.2%), Irish (15.4%), American (11.4%), or English (11.0%) ancestry. The average age of people in the county was 32.1 years old.

Cities, Towns, and Villages

McLean County is home to several communities, from bigger cities to smaller villages.

Map of McLean County Illinois
Map of McLean County, Illinois

Cities

Town

Villages

Census-Designated Place

Other Small Communities

These are other smaller, unincorporated communities in the county.

Townships

McLean County is divided into many smaller areas called townships.

  • Allin
  • Anchor
  • Arrowsmith
  • Bellflower
  • Bloomington
  • Bloomington City
  • Blue Mound
  • Cheney's Grove
  • Chenoa
  • Cropsey
  • Dale
  • Danvers
  • Dawson
  • Downs
  • Dry Grove
  • Empire
  • Funk's Grove
  • Gridley
  • Hudson
  • Lawndale
  • Lexington
  • Martin
  • Money Creek
  • Mount Hope
  • Normal
  • Old Town
  • Randolph
  • Towanda
  • West
  • White Oak
  • Yates

Ghost Towns

These are places that used to be communities but are no longer inhabited.

Education in McLean County

McLean County has many school districts that serve students from kindergarten through 12th grade.

  • Blue Ridge Community Unit School District 18
  • Bloomington School District 87
  • El Paso-Gridley Community Unit School District 11
  • Gibson City-Melvin-Sibley Community Unit School District 5
  • Heyworth Community Unit School District 4
  • Le Roy Community Unit School District 2
  • Lexington Community Unit School District 7
  • McLean County Unit School District 5
  • Olympia Community Unit School District 16
  • Prairie Central Community Unit School District 8
  • Ridgeview Community Unit School District 19
  • Tri-Valley Community Unit School District 3

Illinois State University, a large college, is also located in McLean County.

Famous People from McLean County

Many notable individuals have come from McLean County:

  • George J. Mecherle – He was the person who started the well-known company State Farm.
  • Adlai Stevenson II – He served as the Governor of Illinois and ran for U.S. President twice. He was also an Ambassador to the United Nations.
  • Pokey LaFarge – A talented musician and songwriter.
  • Bonnie Lou – A famous recording artist and television personality.
  • William H. Rowe – A farmer, businessman, and politician.
  • Archbishop Fulton J. Sheen – A Catholic Archbishop who hosted a popular TV show called Life is Worth Living in the 1950s and 60s.

See also

Kids robot.svg In Spanish: Condado de McLean (Illinois) para niños

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