Warren County, Illinois's estimated 2024 population is 16,010 with a growth rate of -1.08% in the past year according to the most recent United States census data. Warren County, Illinois is the 65th largest county in Illinois. The 2010 population was 17,710 and has seen a growth of -9.6% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 15,135 | -175 | -1.14% |
| 2028 | 15,310 | -175 | -1.13% |
| 2027 | 15,485 | -175 | -1.12% |
| 2026 | 15,660 | -175 | -1.11% |
| 2025 | 15,835 | -175 | -1.09% |
| 2024 | 16,010 | -175 | -1.08% |
| 2023 | 16,185 | -175 | -1.07% |
| 2022 | 16,360 | -225 | -1.36% |
| 2021 | 16,585 | -236 | -1.4% |
| 2020 | 16,821 | 5 | 0.03% |
| 2019 | 16,816 | -163 | -0.96% |
| 2018 | 16,979 | -154 | -0.9% |
| 2017 | 17,133 | -150 | -0.87% |
| 2016 | 17,283 | -165 | -0.95% |
| 2015 | 17,448 | -257 | -1.45% |
| 2014 | 17,705 | 45 | 0.25% |
| 2013 | 17,660 | -82 | -0.46% |
| 2012 | 17,742 | -89 | -0.5% |
| 2011 | 17,831 | 121 | 0.68% |
| 2010 | 17,710 | 0 | 0% |
| 1990 | 19,181 | -2,762 | -12.59% |
| 1980 | 21,943 | 348 | 1.61% |
| 1970 | 21,595 | 8 | 0.04% |
| 1960 | 21,587 | -394 | -1.79% |
| 1950 | 21,981 | 695 | 3.27% |
| 1940 | 21,286 | -459 | -2.11% |
| 1930 | 21,745 | 257 | 1.2% |
| 1920 | 21,488 | -1,825 | -7.83% |
| 1910 | 23,313 | 150 | 0.65% |
| 1900 | 23,163 | 1,882 | 8.84% |
| 1890 | 21,281 | -1,652 | -7.2% |
| 1880 | 22,933 | -241 | -1.04% |
| 1870 | 23,174 | 4,838 | 26.39% |
| 1860 | 18,336 | 10,160 | 124.27% |
| 1850 | 8,176 | 1,437 | 21.32% |
| 1840 | 6,739 | 6,431 | 2087.99% |
| 1830 | 308 | -14,827 | -97.96% |
White
Other race
Black or African American
Two or more races
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 6,836 | 2.3 | 76.5 | 23.5 |
| Married | 3,229 | 2.9 | 88 | 12 |
| Non Family | 2,378 | 1.18 | 67.3 | 32.7 |
| Female | 783 | 3.22 | 61.6 | 38.4 |
| Male | 446 | 2.34 | 68.6 | 31.4 |
2.83
Average Family Size
2.3
Average Household Size
76.5%
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 islander people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 22.61%.
All
Male
Female
$41,864
Average Earnings
$53,766
Average Male
$31,702
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
88.69% of Warren County, Illinois residents speak only English, while 11.31% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.04% of the population.
rate
14.9%
Overall Poverty Rate
14.03%
Male Poverty Rate
15.77%
Female Poverty Rate
The race most likely to be in poverty in Warren County, Illinois is Native, with 73.96% below the poverty level.
The race least likely to be in poverty in Warren County, Illinois is Black, with 1.65% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.57%. Among those working part-time, it was 15.05%, and for those that did not work, the poverty rate was 21.73%.
Married
Widowed
Divorced
Separated
NeverMarried
49.3%
Overall Marriage Rate
52.4%
Male Marriage Rate
46.4%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, 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
1.44%
Veteran Poverty Rate
34.37%
Veteran Disability Rate
LaborForceParticipation
61.6%
Labor Force Participation
57.2%
Employment Rate
7.3%
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
71.34%
Born in Warren County, Illinois
93.82%
Native Born
6.18%
Foreign Born
3.13%
Non Citizen
3.05%
Naturalized
93.82% of Warren County, Illinois residents were born in the United States, with 71.34% having been born in Illinois. 3.13% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.