Lee County, Illinois Population 2020

Lee County, Illinois's estimated population is 34,511 with a growth rate of 0.08% in the past year according to the most recent United States census data. Lee County, Illinois is the 42nd largest county in Illinois.

Year Population Growth Growth Rate
201834,223-288-0.83%
201734,511290.08%
201634,482-33-0.10%
201534,515-389-1.11%
201434,904-212-0.60%
201335,116-91-0.26%
201235,207-390-1.10%
201135,597-379-1.05%
201035,9761,5844.61%
199034,392-1,936-5.33%
198036,328-1,619-4.27%
197037,947-802-2.07%
196038,7492,2986.30%
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%
18402,0350.00%

How Many People Live in Lee County, Illinois?

34,511

Population by Race

Race Population Percentage
White31,22890.45%
Black or African American1,7695.12%
Two or More Races7442.15%
Some Other Race4221.22%
Asian2100.61%
American Indian and Alaska Native920.27%
Native Hawaiian and Other Pacific Islander620.18%

Lee County, Illinois Population Pyramid 2020

Lee County, Illinois Median Age

43.4


Total

41.7


Male

44.9


Female

Lee County, Illinois Adults

There are 27,660 adults, (6,384 of whom are seniors) in Lee County, Illinois.

Lee County, Illinois Age Dependency

62.3

Age Dependency Ratio

30

Old Age Dependency Ratio

32.3

Child Dependency Ratio

Lee County, Illinois Sex Ratio

Female

16,201

46.92%

Male

18,326

53.08%

Lee County, Illinois Households and Families

Lee County, Illinois Renter vs Owner Occupied by Household Type

Lee County, Illinois Household Types

Type Owner Renter
Married87.8%12.2%
All72.8%27.2%
Male69.5%30.5%
Non Family57.2%42.8%
Female55.2%44.8%

72.8%

Rate of Home Ownership

Type Count Average Size Owned
All13,6992.2872.8
Married6,9332.9287.8
Non Family5,2081.257.2
Female1,1843.0255.2
Male3743.0969.5

2.86

Average Family Size

2.28

Average Household Size

8.6%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Lee County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade6042.42%
9th to 12th Grade2,1818.74%
High School Graduate8,53234.17%
Some College6,44025.79%
Associates Degree2,79211.18%
Bachelors Degree2,59610.40%
Graduate Degree1,8227.30%

Lee County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White21,83020,0294,024
Black1,41993577
Hispanic1,249792145
Other Race266176
Multiple Races22820133
Asian16615492
Native American887912
Islander626262

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

Name Average Male Female
Overall$36,316$44,281$30,037
Less Than High School$24,138$22,857$27,683
High School Grad$32,600$36,875$25,636
Some College$36,488$51,566$27,895
Bachelors Degree$48,668$63,512$38,520
Graduate Degree$63,935$95,568$51,857

$36,316

Average Earnings

$44,281

Average Male

$30,037

Average Female

Lee County, Illinois Language

Lee County, Illinois Language by Age

Lee County, Illinois Language

95.09% of Lee County, Illinois residents speak only English, while 4.91% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.46% of the population.

Lee County, Illinois Poverty

Lee County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White28,5813,06310.72%
Hispanic1,42815210.64%
Other3979924.94%
Black4829619.92%
Multiple6717811.62%
Native921819.57%

10.85%

Overall Poverty Rate

9.73%

Male Poverty Rate

11.95%

Female Poverty Rate

Poverty in Lee County, Illinois

The race most likely to be in poverty in Lee County, Illinois is Other, with 24.94% below the poverty level.

The race least likely to be in poverty in Lee County, Illinois is Hispanic, with 10.64% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.32%. Among those working part-time, it was 16.61%, and for those that did not work, the poverty rate was 16.79%.

Name Poverty
Less Than High School18.84%
Some College11.43%
High School8.72%
Bachelors or Greater3.43%
Name Poverty
Female Unemployed37.02%
Male Unemployed17.59%
Female Employed7.65%
Male Employed5.12%

Lee County, Illinois Income

Lee County, Illinois Income by Household Type

Name Median Mean
Households$57,901$72,909
Families$74,335$90,433
Married Families$83,596-
Non Families$30,516$40,740

Lee County, Illinois Marital Status

Lee County, Illinois Marital Status

Marriage Rates

51.0%

Overall Marriage Rate

48.3%

Male Marriage Rate

54.1%

Female Marriage Rate

Lee County, Illinois Married by Age and Sex

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 55-64.

Lee County, Illinois Marital Status by Race

Lee County, Illinois Veterans

2,157

Number of Veterans

2,048

Male Veterans

109

Female Veterans

War Veterans
Vietnam710
Korea298
First Gulf War226
Second Gulf War225
World War II24

Lee County, Illinois Veterans by Race

Name Veterans % of Total
White2,0228.07%
Black1116.89%
Hispanic181.23%
Hawaiian1524.19%
2 or More82.31%
Other10.31%

Lee County, Illinois Veterans by Education

6.95%

Veteran Poverty Rate

30.54%

Veteran Disability Rate

Lee County, Illinois Employment Status

56.7%

Labor Force Participation

54.2%

Employment Rate

4.4%

Unemployment Rate

Lee County, Illinois Place of Birth

Origin of Non Citizens

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

Origin of Naturalized Citizens

81.28%

Born in Illinois

97.24%

Native Born

2.76%

Foreign Born

1.41%

Non Citizen

Place of Birth

97.24% of Lee County, Illinois residents were born in the United States, with 81.28% having been born in Illinois. 1.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Population of Cities in Lee County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Dixon1573715135-602-3.83%
Rochelle 95749227-347-3.62%
Amboy25002333-167-6.68%
Franklin Grove1021958-63-6.17%
Ashton972908-64-6.58%
Paw Paw870813-57-6.55%
Sublette449425-24-5.35%
Lee 345334-11-3.19%
Comn303285-18-5.94%
Steward256242-14-5.47%
Nelson170161-9-5.29%
West Brooklyn142134-8-5.63%
Harmon120114-6-5.00%
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990