Lee County, Illinois Population 2023

33,578

Lee County, Illinois's estimated 2023 population is 33,578 with a growth rate of -0.56% in the past year according to the most recent United States census data. Lee County, Illinois is the 43rd largest county in Illinois. The 2010 population was 36,031 and has seen a growth of -6.81% since that time.

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
201036,031
201135,842-189-0.52%
201235,653-189-0.53%
201335,464-189-0.53%
201435,275-189-0.53%
201535,086-189-0.54%
201634,897-189-0.54%
201734,708-189-0.54%
201834,519-189-0.54%
201934,330-189-0.55%
202034,145-185-0.54%
202133,956-189-0.55%
202233,767-189-0.56%
202333,578-189-0.56%
showing: 14 rows
2023 Growth Rate
-0.56% (-189)
County Website
Lee County
Founded
February 27, 1839
County Seat
Dixon
2010 Population
36,031
Growth Since 2010
-6.81% (-2,453)

Lee County, Illinois Population 2023

Population by Race

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Race
Population
Percentage (of total)
White30,59989.02%
Black or African American1,8525.39%
Two or more races1,3123.82%
Other race3431%
Asian2410.7%
Native American140.04%
Native Hawaiian or Pacific Islander120.03%
showing: 7 rows

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 2023

Lee County, Illinois Median Age

42.8

Total

41.4

Male

44.8

Female

Lee County, Illinois Adults

There are 27,522 adults, (6,768 of whom are seniors) in Lee County, Illinois.

Lee County, Illinois Age Dependency

65.6

Age Dependency Ratio

32.6

Old Age Dependency Ratio

33

Child Dependency Ratio

Lee County, Illinois Sex Ratio

Female16,04146.67%
Male18,33253.33%

Lee County, Illinois Population by Age

Lee County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All13,5082.3171.728.3
Married6,1743.0287.512.5
Non Family5,5091.1856.943.1
Female1,3183.236436
Male5073.4860.939.1
showing: 5 rows

3

Average Family Size

2.31

Average Household Size

71.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Lee County, Illinois Households and Families

Male

Female

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

The highest rate of bachelors degrees is among islander people with a rate of 100%.

Lee County, Illinois Educational Attainment by Race

All

Male

Female

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$42,882

Average Earnings

$51,884

Average Male

$31,867

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

95.61% of Lee County, Illinois residents speak only English, while 4.39% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.09% of the population.

Lee County, Illinois Language

Lee County, Illinois Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White28,0623,47912.4%
Hispanic1,8611457.79%
Black6337712.16%
Multiple1,123564.99%
Other3084414.29%
Native14857.14%
showing: 6 rows

11.95%

Overall Poverty Rate

10.65%

Male Poverty Rate

13.24%

Female Poverty Rate

Poverty in Lee County, Illinois

The race most likely to be in poverty in Lee County, Illinois is Native, with 57.14% below the poverty level.

The race least likely to be in poverty in Lee County, Illinois is Multiple, with 4.99% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.21%. Among those working part-time, it was 15.45%, and for those that did not work, the poverty rate was 20.08%.

Lee County, Illinois Poverty

rate

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Rate
Poverty
Less Than 9th Grade30.93%
High School14.09%
Some College9.25%
Bachelors or Greater2.29%
showing: 4 rows

Lee County, Illinois Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed37.54%
Male Unemployed28.78%
Female Employed8.07%
Male Employed4.77%
showing: 4 rows

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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mean

median

Income by Household Type

Lee County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.2%

Overall Marriage Rate

45.6%

Male Marriage Rate

49.0%

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

1,978

Number of Veterans

1,837

Male Veterans

141

Female Veterans

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Lee County, Illinois Veterans by War

count

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Lee County, Illinois Veterans by Age

count

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Lee County, Illinois Veterans by Race

Lee County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.1%

Veteran Poverty Rate

31.94%

Veteran Disability Rate

Lee County, Illinois Veterans by Education

LaborForceParticipation

55.7%

Labor Force Participation

53.7%

Employment Rate

3.6%

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

90.32%

Born in Lee County, Illinois

107.28%

Native Born

2.79%

Foreign Born

1.54%

Non Citizen

1.25%

Naturalized

Place of Birth

107.28% of Lee County, Illinois residents were born in the United States, with 90.32% having been born in Illinois. 1.54% 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