County profile

Lee County

Illinois · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
33,869
Median household income
$70,292
People below poverty
11.8%
Median home value
$154,600

Income

The median income of households in Lee County, Illinois was $70,292. An estimated 5% of households had income below $10,000 a year and 7.1% had income of $200,000 or more.

Household Income in Lee County, Illinois in 2020-2024

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Percent
Less than $10,000 5
$10,000 to $14,999 2.9
$15,000 to $24,999 8.7
$25,000 to $34,999 6.6
$35,000 to $49,999 9.6
$50,000 to $74,999 20.4
$75,000 to $99,999 13.7
$100,000 to $149,999 18.2
$150,000 to $199,999 7.7
$200,000 or more 7.1

Median Earnings for Full-Time Year-Round Workers by Sex in Lee County, Illinois in 2020-2024

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Dollars
Male 62211
Female 50285

An estimated 70.2% of households received earnings. An estimated 36.9% of households received Social Security and an estimated 30.2 % of households received retirement income other than Social Security. The average income from Social Security was $24,685. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in Lee County, Illinois in 2020-2024

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Percent
Earnings 70.2
Social Security 36.9
Retirement income 30.2
Supplemental Security Income (SSI) 5.7
Cash public assistance income 2.7

Poverty and Participation in Government Programs

In 2020-2024, 11.8 % of people were in poverty. An estimated 12% of children under 18 were below the poverty level, compared with 10.2% of people 65 years old and over. An estimated 12.3% of people 18 to 64 years were below the poverty level.

Poverty Rates in Lee County, Illinois in 2020-2024

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Percent
People in poverty 11.8
Children under 18 years below poverty 12
People 65 years old and over below poverty 10.2
People 18 to 64 years below poverty 12.3

In 2020-2024, 15.4 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 34.3% of households that received SNAP had children under 18, and 35.8% of households that received SNAP had one or more people 60 years and over. An estimated 25.3% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in Lee County, Illinois in 2020-2024, 96.2% had health insurance coverage and 3.8% did not have health insurance coverage. Private coverage was 74% and public coverage was 39.8%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 1.4%.


In 2020-2024, Lee County, Illinois had a total population of 33,869 - 15,947 (47.1%) females and 17,922 (52.9%) males. The median age was 43.1 years. An estimated 19.6% of the population was under 18 years, 31% was 19 to 44 years, 26.3% was 45 to 64 years, and 21.3 % was 65 years and older.

Population by Age and Sex for Lee County, Illinois in 2020-2024

Male Female
Under 5 748 850
5 to 9 823 810
10 to 14 1119 1084
15 to 19 912 897
20 to 24 908 753
25 to 29 1232 900
30 to 34 1417 1004
35 to 39 1181 934
40 to 44 1356 823
45 to 49 1100 818
50 to 54 1102 961
55 to 59 1253 1200
60 to 64 1342 1115
65 to 69 1127 1107
70 to 74 874 968
75 to 79 586 647
80 to 84 432 488
85 and over 410 588

Hispanic Origin and Race

For people reporting one race alone, 85.8% were White; 5.3% were Black or African American; 8.8% were American Indian and Alaska Native; 0.7% were Asian; 0.5% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 6.8% reported Two or More Races. An estimated 7.6% of the people in Lee County, Illinois were Hispanic or Latino. An estimated 83.4% of the people in Lee County, Illinois were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 13,337 households in Lee County, Illinois. The average household size was 2.34 people.

Married-couple households made up 46.6% of the households in Lee County, Illinois while cohabiting couple households made up 9% of households. Female householders with no spouse or partner present were 26.5% of all households, while 17.9% of households had male householders with no spouse or partner present. Some households had one person, as 14.2% of households were male householders living alone, and 15.4% were female householders living alone, for a total of 29.6% of all households.

In Lee County, Illinois, 26.6% of all households had one or more people under the age of 18; 35.3% of all households had one or more people 65 years and over.

Types of Households in Lee County, Illinois in 2020-2024

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Percent
Married-couple households 46.6
Cohabiting Couples 9
Male Householder
No spouse/partner present
17.9
Female Householder
No spouse/partner present
26.5

Marital Status

Among persons 15 and older, 46.1% of males and 48.6% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 38.3 27
Now married, except separated 46.1 48.6
Separated 1 1.4
Widowed 2.9 12.6
Divorced 11.7 10.4

Grandparents and Grandchildren

In Lee County, Illinois, 343 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 38.8% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 97.8% of the people living in Lee County, Illinois were U.S. natives. 82.7% of the Lee County, Illinois population were living in the state where they were born.

Approximately 2.2% of Lee County, Illinois residents in 2020-2024 were foreign-born. 37.5% of foreign-born were naturalized U.S. citizens and an estimated 70.4 % entered the country before the year 2010.

Foreign-born residents of Lee County, Illinois come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for Lee County, Illinois.

Region of Birth for the Foreign-Born Population in Lee County, Illinois in 2020-2024

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Percent
Latin America 48.5
Asia 29.8
Europe 19.3
Africa 1.3
Northern America 1.1
Oceania 0

Language

Among people at least five years old living in Lee County, Illinois in 2020-2024, 4.6 % spoke a language other than English at home. Spanish was spoken by 2.8% of people at least five years old; 2.1% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in Lee County, Illinois in 2020-2024

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Percent
Spanish 2.8
Other Indo-European languages 1
Asian and Pacific Islander languages 0.6
Other languages 0.2

Geographic Mobility

In 2020-2024, 90.5 % of the people at least one year old living in Lee County, Illinois were living in the same house one year earlier.

Geographic Mobility of Residents of Lee County, Illinois in 2020-2024

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Percent
Same house 90.5
Different house, same county 3.9
Different county, same state 4.1
Different state 1.2
Abroad 0.3

Education

In 2020-2024, 91.2 % of people 25 years and over had at least graduated from high school and 19.4% had a bachelor's degree or higher. An estimated 8.8% did not complete high school.

The total school enrollment in Lee County, Illinois was 6,536 in 2020-2024. Nursery school enrollment was 442 and kindergarten through 12th grade enrollment was 4,972. College or graduate school enrollment was 1,122.

Educational Attainment of People in Lee County, Illinois in 2020-2024

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Percent
Less than high school diploma 8.8
High school diploma or equivalency 37.7
Some college, no degree 23.9
Associate's degree 10.2
Bachelor's degree 12.4
Graduate or professional degree 6.9

Disability

In Lee County, Illinois, among the civilian noninstitutionalized population in 2020-2024, 16.2 % reported a disability. The likelihood of having a disability varied by age - from 2.9% of people under 18 years old, to 15.5% of people 18 to 64 years old, and to 31.6% of those 65 and over.


Employment Status and Type of Employer

In Lee County, Illinois, 52.8 % of the population 16 and over were employed; 44.3% were not currently in the labor force.

An estimated 79.3% of the people employed were private wage and salary workers; 15.3% were federal, state, or local government workers; and 5.5 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 11,789 79.3
Federal, state, or local government workers 2,270 15.3
Self-employed workers in own not incorporated business 812 5.5

Industries

In 2020-2024, the civilian employed population 16 years and older in Lee County, Illinois worked in the following industries:

Percent by Industry in Lee County, Illinois in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 3.4
Construction 6.2
Manufacturing 16.7
Wholesale trade 2.5
Retail trade 10.5
Transportation and warehousing, and utilities 7.3
Information 1
Finance and insurance, and real estate and rental and leasing 3.2
Professional, scientific, and management, and administrative and waste management services 7.4
Educational services, and health care and social assistance 23.8
Arts, entertainment, and recreation, and accommodation, and food services 7.6
Other Services, except public administration 5
Public administration 5.3

Occupations

Occupations for the Civilian Employed Population 16 Years and over in Lee County, Illinois in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 4,957 33.3
Service occupations 2,696 18.1
Sales and office occupations 2,474 16.6
Natural resources, construction, and maintenance occupations 1,433 9.6
Production, transportation, and material moving occupations 3,313 22.3

Commuting to Work

An estimated 82% of Lee County, Illinois workers drove to work alone in 2020-2024, and 9.5% carpooled. Among those who commuted to work, it took them on average 24.6 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in Lee County, Illinois in 2020-2024

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Percent
Car, truck, van -- drove alone 82
Car, truck, van -- carpooled 9.5
Public transportation (excluding taxicab) 0.6
Walked 1.2
Other means 1.1
Worked from home 5.5

In 2020-2024, Lee County, Illinois had a total of 14,995 housing units. Of these housing units, 80.6% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 14% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 5.4% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in Lee County, Illinois in 2020-2024

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Percent
Single-family houses 80.6
Apartments in multi-unit structures 14
Mobile homes 5.4
Boat, RV, van, etc 0

3.6% of the housing inventory was comprised of houses built since 2010, while 31.1% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in Lee County, Illinois was 6 rooms, and of these housing units 64.4% had three or more bedrooms.


In 2020-2024, Lee County, Illinois had 13,337 housing units that were occupied or had people living in them, while the remaining 1,658 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 73.6% while renters occupied 26.4%. The average household size of owner-occupied houses was 2.41 and in renter-occupied houses it was 2.15.

3.5% of householders of these occupied houses had moved into their house since 2021, while 14.9% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 6.6% and another 24.4% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in Lee County, Illinois:

House Heating Fuel Used in Lee County, Illinois in 2020-2024

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Percent
Gas 79.8
Electricity 18.2
Fuel oil, kerosene, etc 0.1
All other fuels 1.2
No fuel used 0.6

In 2020-2024, the median property value for owner-occupied houses in Lee County, Illinois was $154,600.

Of the owner-occupied households, 54.3 % had a mortgage. 45.7% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,403 and for owners without a mortgage it was $577.

For renter-occupied houses, the median gross rent for Lee County, Illinois was $894. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.