McLean County, Illinois Population 2024

169,964

McLean County, Illinois's estimated 2024 population is 169,964 with a growth rate of -0.28% in the past year according to the most recent United States census data. McLean County, Illinois is the 13th largest county in Illinois. The 2010 population was 169,815 and has seen a growth of 0.09% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029167,579-477-0.28%
2028168,056-477-0.28%
2027168,533-477-0.28%
2026169,010-477-0.28%
2025169,487-477-0.28%
2024169,964-477-0.28%
2023170,441-477-0.28%
2022170,918-191-0.11%
2021171,1091600.09%
2020170,949-323-0.19%
2019171,272-1,096-0.64%
2018172,368-401-0.23%
2017172,769-388-0.22%
2016173,157-65-0.04%
2015173,222-944-0.54%
2014174,166-921-0.53%
2013175,0872,3251.35%
2012172,7621,8231.07%
2011170,9391,1240.66%
2010169,81500%
1990129,18010,0318.42%
1980119,14914,76014.14%
1970104,38920,51224.45%
196083,8777,3009.53%
195076,5772,6473.58%
194073,9308131.11%
193073,1173,0104.29%
192070,1072,0993.09%
191068,0081650.24%
190067,8434,8077.63%
189063,0362,9364.89%
188060,1006,11211.32%
187053,98825,21687.64%
186028,77218,609183.11%
185010,1633,59854.81%
18406,565-161,014-96.08%
showing: 36 rows
2024 Growth Rate
-0.28% (-477)
County Website
McLean County
County Seat
2020 Population
170,949
Area
1183 mi²
Density
144 people/mi²
Growth Since 2020
-0.58% (-985)
Founded
December 25, 1830

McLean County, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White138,66080.95%
Black or African American14,5428.49%
Asian8,6845.07%
Two or more races7,2474.23%
Other race1,8121.06%
Native American3120.18%
Native Hawaiian or Pacific Islander270.02%

White

Black or African American

Asian

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

McLean County, Illinois Population by Race

McLean County, Illinois Population Pyramid 2024

McLean County, Illinois Median Age

34

Total

33.4

Male

34.5

Female

McLean County, Illinois Adults

There are 134,795 adults, (23,884 of whom are seniors) in McLean County, Illinois.

McLean County, Illinois Age Dependency

54.4

Age Dependency Ratio

21.5

Old Age Dependency Ratio

32.9

Child Dependency Ratio

McLean County, Illinois Sex Ratio

Female87,36251%
Male83,92249%

McLean County, Illinois Population by Age

McLean County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All68,4912.386535
Married31,4963.187.112.9
Non Family28,6051.3643.656.4
Female6,1513.1352.747.3
Male2,2393.1361.938.1

3.04

Average Family Size

2.38

Average Household Size

65.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

McLean County, Illinois Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade2,9812.83%
Associates Degree8,3327.9%
Bachelors Degree32,11330.46%
Graduate Degree16,37115.53%
High School Graduate24,32923.07%
Less Than 9th Grade1,3631.29%
Some College19,95018.92%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

McLean County, Illinois Educational Attainment by Sex (over 25)

McLean County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White86,34383,68539,745
Black7,6667,1632,488
Asian5,4635,0433,964
Hispanic4,2293,5251,406
2+ Races2,7592,6221,367
Other Race1,025637158
Native American15212892
Islander15158

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 72.56%.

McLean County, Illinois Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$68,250$83,093$55,028
Graduate Degree$83,651$96,994$69,513
High School Graduate$38,941$46,739$29,792
Less Than 9th Grade$31,307$37,549$19,968
Overall$54,841$65,746$45,498
Some College$43,926$51,858$37,274

$54,841

Average Earnings

$65,746

Average Male

$45,498

Average Female

McLean County, Illinois Earnings by Educational Attainment

McLean County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

McLean County, Illinois Language

91.43% of McLean County, Illinois residents speak only English, while 8.57% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.08% of the population.

McLean County, Illinois Language

McLean County, Illinois Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White127,91915,62612.22%
Black13,2384,85636.68%
Hispanic8,3431,35016.18%
Multiple6,97696313.8%
Asian8,3826798.1%
Other1,77223113.04%
Islander22731.82%
Native22941.75%

14.16%

Overall Poverty Rate

12.99%

Male Poverty Rate

15.3%

Female Poverty Rate

Poverty in McLean County, Illinois

The race most likely to be in poverty in McLean County, Illinois is Black, with 36.68% below the poverty level.

The race least likely to be in poverty in McLean County, Illinois is Native, with 1.75% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.25%. Among those working part-time, it was 21.66%, and for those that did not work, the poverty rate was 28.19%.

McLean County, Illinois Poverty

rate

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Rate
Poverty
Less Than 9th Grade27.23%
High School14.89%
Some College11.7%
Bachelors or Greater3.66%

McLean County, Illinois Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed42.61%
Male Unemployed36.12%
Female Employed10.13%
Male Employed6.05%

McLean County, Illinois Poverty Rate by Employment Status and Sex

McLean County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$105,528$130,769
Households$75,356$99,327
Married Families$121,106$147,727
Non Families$39,178$53,375

mean

median

Income by Household Type

McLean County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

46.2%

Overall Marriage Rate

47.5%

Male Marriage Rate

44.9%

Female Marriage Rate

McLean County, Illinois Married by Age and Sex

male

female

McLean County, Illinois Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

McLean County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

McLean County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

8,022

Number of Veterans

7,359

Male Veterans

663

Female Veterans

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War
Veterans
Vietnam2,684
Second Gulf War1,912
First Gulf War1,407
Korea388
World War II104

McLean County, Illinois Veterans by War

count

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Age Group
Veterans
65 to 742,019
35 to 541,775
75+1,750
55 to 641,484
18 to 34994

McLean County, Illinois Veterans by Age

count

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Name
Veterans
% of Total
White7,1616.37%
Black5735.48%
Hispanic3075.05%
2+ Races2055.08%
Asian340.53%
Native American2611.45%
Other Race231.92%

McLean County, Illinois Veterans by Race

McLean County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

11.68%

Veteran Poverty Rate

26.28%

Veteran Disability Rate

McLean County, Illinois Veterans by Education

LaborForceParticipation

63.9%

Labor Force Participation

61.8%

Employment Rate

3.2%

Unemployment Rate

McLean County, Illinois Employment by Age

LaborForceParticipation

McLean County, Illinois Employment by Race

LaborForceParticipation

McLean County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

74.77%

Born in McLean County, Illinois

93.11%

Native Born

6.89%

Foreign Born

3.92%

Non Citizen

2.97%

Naturalized

Place of Birth

93.11% of McLean County, Illinois residents were born in the United States, with 74.77% having been born in Illinois. 3.92% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

McLean County, Illinois Place of Birth

Sources