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World Population Review
Lee County, Illinois Population 2021
Lee County, Illinois's estimated population is 33,696 with a growth rate of -0.59% 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 35,983 and has seen a growth of -6.36% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 33,696 | -200 | -0.59% |
| 2020 | 33,896 | -200 | -0.59% |
| 2019 | 34,096 | -200 | -0.58% |
| 2018 | 34,296 | -244 | -0.71% |
| 2017 | 34,540 | 46 | 0.13% |
| 2016 | 34,494 | -27 | -0.08% |
| 2015 | 34,521 | -389 | -1.11% |
| 2014 | 34,910 | -211 | -0.60% |
| 2013 | 35,121 | -95 | -0.27% |
| 2012 | 35,216 | -393 | -1.10% |
| 2011 | 35,609 | -374 | -1.04% |
| 2010 | 35,983 | 1,591 | 4.63% |
| 1990 | 34,392 | -1,936 | -5.33% |
| 1980 | 36,328 | -1,619 | -4.27% |
| 1970 | 37,947 | -802 | -2.07% |
| 1960 | 38,749 | 2,298 | 6.30% |
| 1950 | 36,451 | 1,847 | 5.34% |
| 1940 | 34,604 | 2,275 | 7.04% |
| 1930 | 32,329 | 4,325 | 15.44% |
| 1920 | 28,004 | 254 | 0.92% |
| 1910 | 27,750 | -2,144 | -7.17% |
| 1900 | 29,894 | 3,707 | 14.16% |
| 1890 | 26,187 | -1,304 | -4.74% |
| 1880 | 27,491 | 320 | 1.18% |
| 1870 | 27,171 | 9,520 | 53.93% |
| 1860 | 17,651 | 12,359 | 233.54% |
| 1850 | 5,292 | 3,257 | 160.05% |
| 1840 | 2,035 | 0.00% |
2021 Growth Rate
-0.59%
County Website
State
Founded
February 27, 1839
County Seat
Lat./Long.
2010 Population
35,983
Growth Since 2010
-6.36%
Lee County, Illinois Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 31,133 | 90.53% |
| Black or African American | 1,881 | 5.47% |
| Two or More Races | 702 | 2.04% |
| Some Other Race | 357 | 1.04% |
| Asian | 193 | 0.56% |
| American Indian and Alaska Native | 92 | 0.27% |
| Native Hawaiian and Other Pacific Islander | 31 | 0.09% |
Lee County, Illinois Population by Race
Lee County, Illinois Population Pyramid $2021
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Lee County, Illinois Population by Age
Lee County, Illinois Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 13,788 | 2.25 | 72.3 |
| Married | 6,674 | 2.89 | 88.1 |
| Non Family | 5,409 | 1.2 | 56.6 |
| Female | 1,281 | 3.07 | 57.5 |
| Male | 424 | 3.05 | 68.4 |
2.85
Average Family Size
2.25
Average Household Size
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Lee County, Illinois Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 581 | 2.33% |
| 9th to 12th Grade | 2,223 | 8.90% |
| High School Graduate | 8,446 | 33.81% |
| Some College | 6,579 | 26.34% |
| Associates Degree | 2,602 | 10.42% |
| Bachelors Degree | 2,819 | 11.29% |
| Graduate Degree | 1,728 | 6.92% |
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Lee County, Illinois Educational Attainment by Sex (over 25)
Lee County, Illinois Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 21,764 | 20,063 | 4,222 |
| Black | 1,491 | 936 | 86 |
| Hispanic | 1,282 | 802 | 133 |
| 2+ Races | 263 | 218 | 46 |
| Other Race | 251 | 110 | |
| Asian | 149 | 135 | 58 |
| Native American | 90 | 78 | 10 |
| Islander | 31 | 31 | 31 |
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%.
Lee County, Illinois Educational Attainment by Race
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$38,527
Average Earnings
$48,178
Average Male
$30,196
Average Female
Lee County, Illinois Earnings by Educational Attainment
Lee County, Illinois Language by Age
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Lee County, Illinois Language
95.21% of Lee County, Illinois residents speak only English, while 4.79% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.42% of the population.
Lee County, Illinois Language
Lee County, Illinois Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 28,291 | 3,506 | 12.39% |
| Hispanic | 1,573 | 177 | 11.25% |
| Black | 518 | 125 | 24.13% |
| Other | 331 | 113 | 34.14% |
| Multiple | 607 | 58 | 9.56% |
| Native | 92 | 18 | 19.57% |
12.49%
Overall Poverty Rate
11.12%
Male Poverty Rate
13.82%
Female Poverty Rate
Poverty in Lee County, Illinois
The race most likely to be in poverty in Lee County, Illinois is Other, with 34.14% below the poverty level.
The race least likely to be in poverty in Lee County, Illinois is Multiple, with 9.56% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.44%. Among those working part-time, it was 16.53%, and for those that did not work, the poverty rate was 19.77%.
Lee County, Illinois Poverty
Lee County, Illinois Poverty Rate by Education
Lee County, Illinois Marital Status
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Marriage Rates
49.8%
Overall Marriage Rate
47.9%
Male Marriage Rate
52.0%
Female Marriage Rate
Lee County, Illinois Married by Age and Sex
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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
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Lee County, Illinois Marital Status
Lee County, Illinois Veterans by War
Lee County, Illinois Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 1,971 | 7.90% |
| Black | 54 | 3.27% |
| Islander | 17 | 54.84% |
| Hispanic | 15 | 0.99% |
| 2+ Races | 11 | 2.86% |
| Other Race | 3 | 0.98% |
Lee County, Illinois Veterans by Race
Lee County, Illinois Veterans by Education
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7.79%
Veteran Poverty Rate
31.12%
Veteran Disability Rate
Lee County, Illinois Veterans by Education
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56.3%
Labor Force Participation
54.4%
Employment Rate
3.5%
Unemployment Rate
Lee County, Illinois Employment by Age
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Lee County, Illinois Employment by Race
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Lee County, Illinois Employment by Education
Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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97.49%
Native Born
2.51%
Foreign Born
1.22%
Non Citizen
1.29%
Naturalized
Place of Birth
97.49% of Lee County, Illinois residents were born in the United States, with 81.34% having been born in Illinois. 1.22% 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
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990