Knoxville, Illinois Population 2021

2,692
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Knoxville is a city located in Knox County Illinois. With a 2020 population of 2,692, it is the 434th largest city in Illinois and the 6590th largest city in the United States . Knoxville is currently declining at a rate of -0.63% annually and its population has decreased by -7.52% since the most recent census, which recorded a population of 2,911 in 2010. Knoxville reached it's highest population of 3,432 in 1980. Spanning over 2 miles, Knoxville has a population density of 1,146 people per square mile.

The average household income in Knoxville is $73,756 with a poverty rate of 11.22%. The median rental costs in recent years comes to $649 per month, and the median house value is $106,100. The median age in Knoxville is 40.1 years, 38.6 years for males, and 42.4 years for females.

Knoxville Demographics

According to the most recent ACS, the racial composition of Knoxville was:

  • White: 97.46%
  • Two or more races: 2.01%
  • Asian: 0.36%
  • Black or African American: 0.16%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Knoxville, Illinois is 2,692 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 2,743.The last official US Census in 2010 recorded the population at 2,911.

Knoxville, Illinois Population 2021

Population by Race

Race Population Percentage
White2,95497.46%
Two or More Races612.01%
Asian110.36%
Black or African American50.16%
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Knoxville Population by Race

Knoxville Population Pyramid $2021

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Knoxville Median Age

40.1


Total

38.6


Male

42.4


Female

Knoxville Adults

There are 2,189 adults, (637 of whom are seniors) in Knoxville.

Knoxville Age Dependency

95.3

Age Dependency Ratio

41

Old Age Dependency Ratio

54.3

Child Dependency Ratio

Knoxville Sex Ratio

Female

1,697

55.99%

Male

1,334

44.01%

Knoxville Population by Age

Knoxville Renter vs Owner Occupied by Household Type

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Knoxville Household Types

Type Owner Renter
Married90.2%9.8%
Male84%16%
All78.2%21.8%
Non Family69.9%30.1%
Female44.2%55.8%

78.2%

Rate of Home Ownership

Knoxville Households and Families

Type Count Average Size Owned
All1,0932.6178.2
Married5933.0990.2
Non Family3461.2869.9
Female1293.9744.2
Male252.8884

3.16

Average Family Size

2.61

Average Household Size

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Knoxville Households by Type

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Education Attained Count Percentage
Less Than 9th Grade170.83%
9th to 12th Grade934.54%
High School Graduate70434.39%
Some College53225.99%
Associates Degree24111.77%
Bachelors Degree33416.32%
Graduate Degree1266.16%
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Knoxville Educational Attainment by Sex (over 25)

Knoxville Educational Attainment by Race

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Race Total High School Bachelors
White2,0071,899447
Hispanic19194
2+ Races13116
Black55
Asian333

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Knoxville Educational Attainment by Race

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Name Average Male Female
Overall$37,457$46,406$30,317
Less Than 9th Grade$$$
High School Graduate$31,840$40,179$16,635
Some College$35,526$54,375$26,618
Bachelors Degree$41,402$46,389$37,375
Graduate Degree$66,625$86,250$56,875

$37,457

Average Earnings

$46,406

Average Male

$30,317

Average Female

Knoxville Earnings by Educational Attainment

Knoxville Language by Age

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Knoxville Language

96.88% of Knoxville residents speak only English, while 3.12% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.54% of the population.

Knoxville Language

Knoxville Poverty by Race

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11.22%

Overall Poverty Rate

7.65%

Male Poverty Rate

14.28%

Female Poverty Rate

Poverty in Knoxville

The race most likely to be in poverty in Knoxville is White, with 11.85% below the poverty level.

The race least likely to be in poverty in Knoxville is White, with 11.85% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 14.81%, and for those that did not work, the poverty rate was 23.55%.

Knoxville Poverty

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Name Poverty
Less Than 9th Grade38.38%
High School11.99%
Some College7.56%
Bachelors or Greater4.97%

Knoxville Poverty Rate by Education

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Rate Poverty
Male Unemployed70.37%
Female Unemployed70.00%
Female Employed9.33%
Male Employed0.47%

Knoxville Poverty Rate by Employment Status and Sex

Knoxville Income by Household Type

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Name Median Mean
Households$57,350$73,756
Families$73,859$89,002
Married Families$84,596-
Non Families$30,700$39,060
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Income by Household Type

Knoxville Marital Status

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Marriage Rates

52.7%

Overall Marriage Rate

58.5%

Male Marriage Rate

48.2%

Female Marriage Rate

Knoxville Married by Age and Sex

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Knoxville Marriage

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.

Knoxville Marital Status by Race

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Knoxville Marital Status

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218

Number of Veterans

194

Male Veterans

24

Female Veterans

War Veterans
Second Gulf War72
Vietnam71
First Gulf War44
Korea16
World War II7

Knoxville Veterans by War

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Age Group Veterans
35 to 5467
65 to 7464
75+53
18 to 3421
55 to 6413

Knoxville Veterans by Age

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Name Veterans % of Total
White21810.06%
Hispanic421.05%

Knoxville Veterans by Race

Knoxville Veterans by Education

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4.31%

Veteran Poverty Rate

24.88%

Veteran Disability Rate

Knoxville Veterans by Education

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59.3%

Labor Force Participation

57.4%

Employment Rate

2.7%

Unemployment Rate

Knoxville Employment by Age

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Knoxville Employment by Race

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Knoxville 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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85.02%

Born in Knoxville

99.31%

Native Born

0.69%

Foreign Born

0.40%

Non Citizen

0.30%

Naturalized

Place of Birth

99.31% of Knoxville residents were born in the United States, with 85.02% having been born in Illinois. 0.40% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Knoxville Place of Birth

Year Population Growth Annual Growth Rate
20212,692-17-0.63%
20202,709-17-0.62%
20192,726-17-0.62%
20182,743-37-1.33%
20172,780-21-0.75%
20162,801-24-0.85%
20152,825-33-1.15%
20142,858-11-0.38%
20132,869-10-0.35%
20122,879-22-0.76%
20112,901-5-0.17%
20102,906-277-0.91%
20003,183-60-0.19%
19903,243-189-0.56%
19803,4325021.59%
19702,9303701.36%
19602,5600.00%

Knoxville Population by Year