Lee County, Illinois Population 2024

33,370

Lee County, Illinois's estimated 2024 population is 33,370 with a growth rate of -0.84% in the past year according to the most recent United States census data. Lee County, Illinois is the 42nd largest county in Illinois. The 2010 population was 35,978 and has seen a growth of -7.25% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202931,950-284-0.88%
202832,234-284-0.87%
202732,518-284-0.87%
202632,802-284-0.86%
202533,086-284-0.85%
202433,370-284-0.84%
202333,654-284-0.84%
202233,938-257-0.75%
202134,1951330.39%
202034,06210%
201934,061-220-0.64%
201834,281-252-0.73%
201734,533340.1%
201634,499-22-0.06%
201534,521-391-1.12%
201434,912-211-0.6%
201335,123-95-0.27%
201235,218-393-1.1%
201135,611-367-1.02%
201035,97800%
199034,392-1,936-5.33%
198036,328-1,619-4.27%
197037,947-802-2.07%
196038,7492,2986.3%
195036,4511,8475.34%
194034,6042,2757.04%
193032,3294,32515.44%
192028,0042540.92%
191027,750-2,144-7.17%
190029,8943,70714.16%
189026,187-1,304-4.74%
188027,4913201.18%
187027,1719,52053.93%
186017,65112,359233.54%
18505,2923,257160.05%
18402,035-29,915-93.63%
showing: 36 rows
2024 Growth Rate
-0.84% (-284)
County Website
Lee County
County Seat
2020 Population
34,062
Area
725 mi²
Density
46 people/mi²
Growth Since 2020
-2.03% (-692)
Founded
February 27, 1839

Lee County, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White30,13988.07%
Black or African American1,8005.26%
Two or more races1,7145.01%
Other race3451.01%
Asian2090.61%
Native American140.04%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Lee County, Illinois Population by Race

Lee County, Illinois Population Pyramid 2024

Lee County, Illinois Median Age

42.8

Total

41.5

Male

44.7

Female

Lee County, Illinois Adults

There are 27,457 adults, (6,999 of whom are seniors) in Lee County, Illinois.

Lee County, Illinois Age Dependency

67.3

Age Dependency Ratio

34.2

Old Age Dependency Ratio

33.1

Child Dependency Ratio

Lee County, Illinois Sex Ratio

Female16,01646.8%
Male18,20553.2%

Lee County, Illinois Population by Age

Lee County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All13,6692.2970.829.2
Married6,1912.9986.313.7
Non Family5,4441.1955.844.2
Female1,4613.0366.533.5
Male5733.2957.242.8

2.94

Average Family Size

2.29

Average Household Size

70.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Lee County, Illinois Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade5862.34%
9th to 12th Grade1,9127.63%
High School Graduate9,00835.95%
Some College6,23524.89%
Associates Degree2,58010.3%
Bachelors Degree3,04612.16%
Graduate Degree1,6886.74%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Lee County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White21,60219,9054,269
Black1,5081,070122
Hispanic1,4111,128213
2+ Races956829196
Other Race28218826
Asian18417274
Native American1361

The highest rate of high school graduation is among asian people with a rate of 93.48%.

The highest rate of bachelors degrees is among asian people with a rate of 40.22%.

Lee County, Illinois Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$45,881$55,321$35,152
Less Than 9th Grade$20,755$25,595$7,308
High School Graduate$39,291$46,737$25,827
Some College$44,278$55,493$34,269
Bachelors Degree$56,578$78,421$50,426
Graduate Degree$85,508$118,413$77,500

$45,881

Average Earnings

$55,321

Average Male

$35,152

Average Female

Lee County, Illinois Earnings by Educational Attainment

Lee County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Lee County, Illinois Language

96.07% of Lee County, Illinois residents speak only English, while 3.93% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.71% of the population.

Lee County, Illinois Language

Lee County, Illinois Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White27,9073,51612.6%
Black76325132.9%
Hispanic2,0281326.51%
Multiple1,463614.17%
Other340257.35%
Native141071.43%

12.5%

Overall Poverty Rate

11.41%

Male Poverty Rate

13.58%

Female Poverty Rate

Poverty in Lee County, Illinois

The race most likely to be in poverty in Lee County, Illinois is Native, with 71.43% below the poverty level.

The race least likely to be in poverty in Lee County, Illinois is Multiple, with 4.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.85%. Among those working part-time, it was 14.51%, and for those that did not work, the poverty rate was 22.57%.

Lee County, Illinois Poverty

rate

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Rate
Poverty
Less Than 9th Grade37.07%
High School13.21%
Some College10.75%
Bachelors or Greater2.74%

Lee County, Illinois Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed52.57%
Female Unemployed30.2%
Female Employed7.29%
Male Employed4.1%

Lee County, Illinois Poverty Rate by Employment Status and Sex

Lee County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$64,588$82,936
Families$84,695$101,968
Married Families$99,067$-999,999,999
Non Families$35,565$48,992

mean

median

Income by Household Type

Lee County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

46.9%

Overall Marriage Rate

46.4%

Male Marriage Rate

47.4%

Female Marriage Rate

Lee County, Illinois Married by Age and Sex

male

female

Lee County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Lee County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Lee County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,945

Number of Veterans

1,826

Male Veterans

119

Female Veterans

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War
Veterans
Vietnam692
First Gulf War350
Second Gulf War240
Korea203
World War II43

Lee County, Illinois Veterans by War

count

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Age Group
Veterans
75+613
65 to 74518
35 to 54372
55 to 64371
18 to 3471

Lee County, Illinois Veterans by Age

count

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Name
Veterans
% of Total
White1,7647.29%
Hispanic1257.71%
2+ Races11210.12%
Black573.53%
Other Race123.74%

Lee County, Illinois Veterans by Race

Lee County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.03%

Veteran Poverty Rate

29.86%

Veteran Disability Rate

Lee County, Illinois Veterans by Education

LaborForceParticipation

56%

Labor Force Participation

54.1%

Employment Rate

3.5%

Unemployment Rate

Lee County, Illinois Employment by Age

LaborForceParticipation

Lee County, Illinois Employment by Race

LaborForceParticipation

Lee 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

82.74%

Born in Lee County, Illinois

97.74%

Native Born

2.26%

Foreign Born

1.36%

Non Citizen

0.89%

Naturalized

Place of Birth

97.74% of Lee County, Illinois residents were born in the United States, with 82.74% having been born in Illinois. 1.36% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Lee County, Illinois Place of Birth

Sources