Clay County, Illinois's estimated 2024 population is 12,921 with a growth rate of -0.6% 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 13,822 and has seen a growth of -6.52% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 12,531 | -78 | -0.62% |
| 2028 | 12,609 | -78 | -0.61% |
| 2027 | 12,687 | -78 | -0.61% |
| 2026 | 12,765 | -78 | -0.61% |
| 2025 | 12,843 | -78 | -0.6% |
| 2024 | 12,921 | -78 | -0.6% |
| 2023 | 12,999 | -78 | -0.6% |
| 2022 | 13,077 | -86 | -0.65% |
| 2021 | 13,163 | -110 | -0.83% |
| 2020 | 13,273 | 96 | 0.73% |
| 2019 | 13,177 | -83 | -0.63% |
| 2018 | 13,260 | 1 | 0.01% |
| 2017 | 13,259 | -50 | -0.38% |
| 2016 | 13,309 | -86 | -0.64% |
| 2015 | 13,395 | -46 | -0.34% |
| 2014 | 13,441 | -109 | -0.8% |
| 2013 | 13,550 | -160 | -1.17% |
| 2012 | 13,710 | -11 | -0.08% |
| 2011 | 13,721 | -101 | -0.73% |
| 2010 | 13,822 | 0 | 0% |
| 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% |
| 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 | -11,776 | -93.97% |
White
Two or more races
Native American
Black or African American
Asian
Other race
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 5,477 | 2.36 | 76.7 | 23.3 |
| Married | 2,490 | 2.99 | 89.6 | 10.4 |
| Non Family | 2,184 | 1.25 | 64.9 | 35.1 |
| Female | 444 | 3.38 | 53.4 | 46.6 |
| Male | 359 | 3.46 | 88.3 | 11.7 |
2.95
Average Family Size
2.36
Average Household Size
76.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among asian people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 61.11%.
All
Male
Female
$41,453
Average Earnings
$51,317
Average Male
$33,522
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.55% of Clay County, Illinois residents speak only English, while 1.45% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.03% of the population.
rate
15.75%
Overall Poverty Rate
15.41%
Male Poverty Rate
16.09%
Female Poverty Rate
The race most likely to be in poverty in Clay County, Illinois is Black, with 76.47% below the poverty level.
The race least likely to be in poverty in Clay County, Illinois is Native, with 1.37% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.37%. Among those working part-time, it was 16.21%, and for those that did not work, the poverty rate was 24.53%.
Married
Widowed
Divorced
Separated
NeverMarried
47.5%
Overall Marriage Rate
48.0%
Male Marriage Rate
47.0%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
2.86%
Veteran Poverty Rate
38.67%
Veteran Disability Rate
LaborForceParticipation
58%
Labor Force Participation
54.5%
Employment Rate
6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
86.89%
Born in Clay County, Illinois
99.57%
Native Born
0.43%
Foreign Born
0.17%
Non Citizen
0.26%
Naturalized
99.57% of Clay County, Illinois residents were born in the United States, with 86.89% having been born in Illinois. 0.17% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.