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World Population Review
Clay County, Illinois Population 2021
Clay County, Illinois's estimated population is 13,020 with a growth rate of -0.63% in the past year according to the most recent United States census data. Clay County, Illinois is the 80th largest county in Illinois. The 2010 Population was 13,826 and has seen a growth of -5.83% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 13,020 | -82 | -0.63% |
| 2020 | 13,102 | -82 | -0.62% |
| 2019 | 13,184 | -82 | -0.62% |
| 2018 | 13,266 | -4 | -0.03% |
| 2017 | 13,270 | -44 | -0.33% |
| 2016 | 13,314 | -87 | -0.65% |
| 2015 | 13,401 | -44 | -0.33% |
| 2014 | 13,445 | -109 | -0.80% |
| 2013 | 13,554 | -160 | -1.17% |
| 2012 | 13,714 | -11 | -0.08% |
| 2011 | 13,725 | -101 | -0.73% |
| 2010 | 13,826 | -634 | -4.38% |
| 1990 | 14,460 | -823 | -5.39% |
| 1980 | 15,283 | 548 | 3.72% |
| 1970 | 14,735 | -1,080 | -6.83% |
| 1960 | 15,815 | -1,630 | -9.34% |
| 1950 | 17,445 | -1,502 | -7.93% |
| 1940 | 18,947 | 2,792 | 17.28% |
| 1930 | 16,155 | -1,529 | -8.65% |
| 1920 | 17,684 | -977 | -5.24% |
| 1910 | 18,661 | -892 | -4.56% |
| 1900 | 19,553 | 2,781 | 16.58% |
| 1890 | 16,772 | 580 | 3.58% |
| 1880 | 16,192 | 317 | 2.00% |
| 1870 | 15,875 | 6,539 | 70.04% |
| 1860 | 9,336 | 5,047 | 117.67% |
| 1850 | 4,289 | 1,061 | 32.87% |
| 1840 | 3,228 | 2,473 | 327.55% |
| 1830 | 755 | 0.00% |
2021 Growth Rate
-0.63%
State
Founded
1824
County Seat
Lat./Long.
2010 Population
13,826
Growth Since 2010
-5.83%
Clay County, Illinois Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 12,782 | 96.20% |
| Two or More Races | 323 | 2.43% |
| Black or African American | 107 | 0.81% |
| Asian | 42 | 0.32% |
| American Indian and Alaska Native | 32 | 0.24% |
| Some Other Race | 1 | 0.01% |
Clay County, Illinois Population by Race
Clay County, Illinois Population Pyramid $2021
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Clay County, Illinois Population by Age
Clay County, Illinois Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 5,696 | 2.27 | 74.5 |
| Married | 2,880 | 2.79 | 87.7 |
| Non Family | 1,878 | 1.15 | 63.4 |
| Female | 611 | 2.89 | 47.6 |
| Male | 327 | 3 | 72.5 |
2.67
Average Family Size
2.27
Average Household Size
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Clay County, Illinois Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 292 | 3.13% |
| 9th to 12th Grade | 831 | 8.90% |
| High School Graduate | 3,605 | 38.61% |
| Some College | 2,113 | 22.63% |
| Associates Degree | 1,099 | 11.77% |
| Bachelors Degree | 946 | 10.13% |
| Graduate Degree | 452 | 4.84% |
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Clay County, Illinois Educational Attainment by Sex (over 25)
Clay County, Illinois Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 9,011 | 7,960 | 1,348 |
| 2+ Races | 137 | 121 | 21 |
| Black | 107 | 61 | 13 |
| Asian | 42 | 38 | 16 |
| Native American | 25 | 24 | |
| Hispanic | 16 | 11 | |
| Other Race | 1 | 1 |
The highest rate of high school graduation is among other race people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 38.10%.
Clay County, Illinois Educational Attainment by Race
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$33,333
Average Earnings
$43,138
Average Male
$27,222
Average Female
Clay County, Illinois Earnings by Educational Attainment
Clay County, Illinois Language by Age
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Clay County, Illinois Language
98.20% of Clay County, Illinois residents speak only English, while 1.80% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.00% of the population.
Clay County, Illinois Language
Clay County, Illinois Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 12,552 | 2,063 | 16.44% |
| Black | 87 | 57 | 65.52% |
| Multiple | 322 | 13 | 4.04% |
| Hispanic | 14 | 9 | 64.29% |
| Asian | 42 | 7 | 16.67% |
| Native | 32 | 4 | 12.50% |
| Other | 1 | 1 | 100.00% |
16.50%
Overall Poverty Rate
14.17%
Male Poverty Rate
18.85%
Female Poverty Rate
Poverty in Clay County, Illinois
The race most likely to be in poverty in Clay County, Illinois is Other, with 100.00% below the poverty level.
The race least likely to be in poverty in Clay County, Illinois is Multiple, with 4.04% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.55%. Among those working part-time, it was 28.11%, and for those that did not work, the poverty rate was 24.46%.
Clay County, Illinois Poverty
Clay County, Illinois Poverty Rate by Education
Clay County, Illinois Marital Status
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Marriage Rates
54.2%
Overall Marriage Rate
56.5%
Male Marriage Rate
51.9%
Female Marriage Rate
Clay County, Illinois Married by Age and Sex
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Clay 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.
Clay County, Illinois Marital Status by Race
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Clay County, Illinois Marital Status
Clay County, Illinois Veterans by War
Clay County, Illinois Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 860 | 8.66% |
| Asian | 22 | 52.38% |
Clay County, Illinois Veterans by Race
Clay County, Illinois Veterans by Education
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7.97%
Veteran Poverty Rate
46.42%
Veteran Disability Rate
Clay County, Illinois Veterans by Education
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59.9%
Labor Force Participation
56.9%
Employment Rate
5%
Unemployment Rate
Clay County, Illinois Employment by Age
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Clay County, Illinois Employment by Race
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Clay 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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99.55%
Native Born
0.45%
Foreign Born
0.11%
Non Citizen
0.35%
Naturalized
Place of Birth
99.55% of Clay County, Illinois residents were born in the United States, with 86.47% having been born in Illinois. 0.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Clay 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