COUNTY · 2000 CENSUS

Lee County

Illinois · 36,062 residents · 724.769 sq mi

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The short version

Lee County has roughly average household income, with a median household income of $40,967. Population has held roughly steady since 1990. 13% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $83,400.

At a glance

Average income

near the US median

US median: $42,589

Older

median age 37.9

US median: 35.2

Less educated

13% hold a bachelor's degree

US average: 24%

Less affordable

home values up 34%, inflation adjusted

US median home: $120,530

Section 01

Population & growth

Total population

36,062

+5%since 1990

from 34,392 in 1990

1990 – 2025

Population density

50 / sq mi

+5%since 1990

from 47 / sq mi in 1990

US average: 242

Median age

37.9

+10%since 1990

from 34.3 in 1990

US average: 35.2

Population, 1990 – 2024

202434K

Section 02

Income & economy

Median household income

$40,967

+10%inflation adjusted, since 1990

from $28,284 in 1990

US average: $42,589

1990 – 2024

Per capita income

$18,650

+55%since 1990

from $12,050 in 1990

US average: $21,522

Poverty rate

7.7%

−1.1 ptssince 1990

from 8.8% in 1990

US average: 12.4%

Section 03

Housing

Median home value

$83,400

+34%inflation adjusted, since 1990

from $47,300 in 1990

US average: $120,530

1990 – 2024

Median gross rent

$468

+7%inflation adjusted, since 1990

from $331 in 1990

US average: $602

Owner-occupied

73.9%

+4.3 ptssince 1990

from 69.6% in 1990

26.1% rent

Afford Score

2.0

+22%since 1990

from 1.7 in 1990

1990 – 2024

RELATED:See current rent listings in Lee County on RentDataNow

Section 04

Race & ethnicity

1990

White, non-Hispanic94.8%(32,598)

Black3.6%(1,232)

Hispanic / Latino2.2%(759)

Asian0.4%(136)

Diversity Score17.3%(5,938)

2000

White, non-Hispanic90.5%(32,643)

Black4.9%(1,753)

Hispanic / Latino3.2%(1,147)

Asian0.6%(202)

Diversity Score20.3%(7,328)

Diversity Score

+18%since 1990

from 17 in 1990

1990 – 2024

Section 05

Education

Bachelor's degree or higher

13.2%

+1.4 ptssince 1990

from 11.8% in 1990

US average: 24.4%

High school or higher

80.2%

+3.9 ptssince 1990

from 76.3% in 1990

US average: 80.3%

Graduate degree

4.6%

+0.6 ptssince 1990

from 4.0% in 1990

US average: 8.8%

Section 06

Commute & transportation

Average commute

15.8 min

−21%since 1990

from 20.1 min in 1990

US average: 17.6

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Lee County

Head to head

Compare Lee County to nearby counties

LEE COUNTY VS

Ogle County

Income$82,132+100%

Home value$189,200+127%

Population51,399+56%

SEE FULL COMPARISON →

LEE COUNTY VS

Bureau County

Income$69,257+69%

Home value$126,900+52%

Population32,510−1%

SEE FULL COMPARISON →

LEE COUNTY VS

DeKalb County

Income$70,724+73%

Home value$243,600+192%

Population101,835+209%

SEE FULL COMPARISON →

LEE COUNTY VS

Whiteside County

Income$67,500+65%

Home value$127,100+52%

Population54,121+64%

SEE FULL COMPARISON →

Frequently asked

How many people live in Lee County, Illinois?

Lee County, Illinois has about 36,062 residents according to the 2000 Census.

What is the median household income in Lee County, Illinois?

The typical household in Lee County, Illinois earns about $40,967 a year. Half of households make more than that, and half make less.

Is Lee County, Illinois expensive?

In Lee County, Illinois, the median home is worth about $83,400, and the typical rent is about $468 a month.

How educated are people in Lee County, Illinois?

About 13.2% of adults age 25 and over in Lee County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Lee County, Illinois?

About 7.7% of people in Lee County, Illinois live below the federal poverty line.

Has Lee County, Illinois grown since 1990?

Yes, Lee County, Illinois has grown since 1990. The population has added about 1,670 residents, a change of about 5 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →