Knox County, Illinois's estimated 2023 population is 49,082 with a growth rate of -0.6% in the past year according to the most recent United States census data. Knox County, Illinois is the 29th largest county in Illinois. The 2010 population was 52,919 and has seen a growth of -7.25% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2010 | 52,919 | ||
| 2011 | 52,624 | -295 | -0.56% |
| 2012 | 52,329 | -295 | -0.56% |
| 2013 | 52,034 | -295 | -0.56% |
| 2014 | 51,739 | -295 | -0.57% |
| 2015 | 51,444 | -295 | -0.57% |
| 2016 | 51,149 | -295 | -0.57% |
| 2017 | 50,854 | -295 | -0.58% |
| 2018 | 50,559 | -295 | -0.58% |
| 2019 | 50,264 | -295 | -0.58% |
| 2020 | 49,967 | -297 | -0.59% |
| 2021 | 49,672 | -295 | -0.59% |
| 2022 | 49,377 | -295 | -0.59% |
| 2023 | 49,082 | -295 | -0.6% |
White
Black or African American
Two or more races
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 20,575 | 2.23 | 67.7 | 32.3 |
| Non Family | 8,949 | 1.15 | 54.5 | 45.5 |
| Married | 8,748 | 2.97 | 86.7 | 13.3 |
| Female | 1,913 | 3.26 | 48.9 | 51.1 |
| Male | 965 | 3.38 | 54.8 | 45.2 |
2.94
Average Family Size
2.23
Average Household Size
67.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
93.97% of Knox County, Illinois residents speak only English, while 6.03% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.35% of the population.
rate
16.16%
Overall Poverty Rate
16.24%
Male Poverty Rate
16.08%
Female Poverty Rate
The race most likely to be in poverty in Knox County, Illinois is Black, with 51.17% below the poverty level.
The race least likely to be in poverty in Knox County, Illinois is White, with 13.13% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 3.29%. Among those working part-time, it was 21.49%, and for those that did not work, the poverty rate was 23.26%.
Married
Widowed
Divorced
Separated
NeverMarried
43.6%
Overall Marriage Rate
42.0%
Male Marriage Rate
45.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
10.49%
Veteran Poverty Rate
30.38%
Veteran Disability Rate
LaborForceParticipation
53.7%
Labor Force Participation
50.8%
Employment Rate
5.2%
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
86.41%
Born in Knox County, Illinois
105.81%
Native Born
3.43%
Foreign Born
2.77%
Non Citizen
0.66%
Naturalized
105.81% of Knox County, Illinois residents were born in the United States, with 86.41% having been born in Illinois. 2.77% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.