Knox is a city located in Illinois. Knox has a 2024 population of 4,667. Knox is currently declining at a rate of -1.5% annually and its population has decreased by -5.14% since the most recent census, which recorded a population of 4,920 in 2020.
The average household income in Knox is $80,132 with a poverty rate of 10.87%. The median age in Knox is 42.7 years: 38.3 years for males, and 48.2 years for females.
According to the most recent ACS, the racial composition of Knox was:
White
Two or more races
Black or African American
Asian
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,928 | 2.46 | 83 | 17 |
| Married | 987 | 3.02 | 91.1 | 8.9 |
| Non Family | 624 | 1.11 | 78.8 | 21.2 |
| Female | 225 | 3.3 | 65.8 | 34.2 |
| Male | 92 | 3.49 | 67.4 | 32.6 |
3
Average Family Size
2.46
Average Household Size
83.0%
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 black people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
$44,821
Average Earnings
$66,818
Average Male
$36,685
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.13% of Knox residents speak only English, while 1.87% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.01% of the population.
rate
10.87%
Overall Poverty Rate
9.43%
Male Poverty Rate
12.07%
Female Poverty Rate
The race most likely to be in poverty in Knox is White, with 11.35% below the poverty level.
The race least likely to be in poverty in Knox is Asian, with 7.69% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.48%. Among those working part-time, it was 10.01%, and for those that did not work, the poverty rate was 20.95%.
Married
Widowed
Divorced
Separated
NeverMarried
53.0%
Overall Marriage Rate
60.2%
Male Marriage Rate
47.7%
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
3.52%
Veteran Poverty Rate
29.3%
Veteran Disability Rate
LaborForceParticipation
57.9%
Labor Force Participation
55.6%
Employment Rate
4%
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
86.29%
Born in Knox
99.65%
Native Born
0.35%
Foreign Born
0.14%
Non Citizen
0.2%
Naturalized
99.65% of Knox residents were born in the United States, with 86.29% having been born in Illinois. 0.14% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 4,312 | -71 | -1.62% |
| 2028 | 4,383 | -71 | -1.59% |
| 2027 | 4,454 | -71 | -1.57% |
| 2026 | 4,525 | -71 | -1.54% |
| 2025 | 4,596 | -71 | -1.52% |
| 2024 | 4,667 | -71 | -1.5% |
| 2023 | 4,738 | -71 | -1.48% |
| 2022 | 4,809 | -71 | -1.45% |
| 2021 | 4,880 | -40 | -0.81% |
| 2020 | 4,920 | 173 | 3.64% |
| 2019 | 4,747 | -34 | -0.71% |
| 2018 | 4,781 | -57 | -1.18% |
| 2017 | 4,838 | -30 | -0.62% |
| 2016 | 4,868 | -33 | -0.67% |
| 2015 | 4,901 | -50 | -1.01% |
| 2014 | 4,951 | -14 | -0.28% |
| 2013 | 4,965 | -18 | -0.36% |
| 2012 | 4,983 | -37 | -0.74% |
| 2011 | 5,020 | -8 | -0.16% |
| 2010 | 5,028 | 0 | 0% |