Knox County, Illinois Population 2022

Knox County, Illinois's estimated population is with a growth rate of -0.59% 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 and has seen a growth of -6.69% since this time.

Note: 2021 and 2022 data is projected

Knox County, Illinois Population 2022

map placeholder

Knox County, Illinois Population Growth

Population by Race

Loading...

Knox County, Illinois Population by Race

Knox County, Illinois Population Pyramid 2022

Loading...

Knox County, Illinois Median Age

42


Total

40.2


Male

45


Female

Knox County, Illinois Adults

There are 40,122 adults, (10,689 of whom are seniors) in Knox County, Illinois.

Knox County, Illinois Age Dependency

Age Dependency Ratio

36.3

Old Age Dependency Ratio

33.7

Child Dependency Ratio

Knox County, Illinois Sex Ratio

Female

24,608

49.16%

Male

25,444

50.84%

Knox County, Illinois Population by Age

Knox County, Illinois Renter vs Owner Occupied by Household Type

map placeholder

Knox County, Illinois Household Types

66.5%

Rate of Home Ownership

Knox County, Illinois Households and Families

2.96

Average Family Size

2.24

Average Household Size

Loading...

Knox County, Illinois Households by Type

Loading...
Loading...

Knox County, Illinois Educational Attainment by Sex (over 25)

Knox County, Illinois Educational Attainment by Race

Loading...

The highest rate of high school graduation is among native american people with a rate of 95.51%.

The highest rate of bachelors degrees is among asian people with a rate of 22.92%.

Knox County, Illinois Educational Attainment by Race

Loading...

$33,630

Average Earnings

$40,699

Average Male

$29,608

Average Female

Knox County, Illinois Earnings by Educational Attainment

Knox County, Illinois Language by Age

Loading...

Knox County, Illinois Language

93.85% of Knox County, Illinois residents speak only English, while 6.15% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.64% of the population.

Knox County, Illinois Language

Knox County, Illinois Poverty by Race

Loading...

16.70%

Overall Poverty Rate

16.69%

Male Poverty Rate

16.70%

Female Poverty Rate

Poverty in Knox County, Illinois

The race most likely to be in poverty in Knox County, Illinois is Black, with 55.78% below the poverty level.

The race least likely to be in poverty in Knox County, Illinois is Hispanic, with 14.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.39%. Among those working part-time, it was 20.39%, and for those that did not work, the poverty rate was 24.67%.

Knox County, Illinois Poverty

Loading...

Knox County, Illinois Poverty Rate by Education

Loading...

Knox County, Illinois Poverty Rate by Employment Status and Sex

Knox County, Illinois Income by Household Type

Loading...
Loading...

Income by Household Type

Knox County, Illinois Marital Status

map placeholder

Marriage Rates

42.4%

Overall Marriage Rate

41.1%

Male Marriage Rate

43.6%

Female Marriage Rate

Knox County, Illinois Married by Age and Sex

Loading...

Knox County, Illinois Marriage

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.

Knox County, Illinois Marital Status by Race

map placeholder

Knox County, Illinois Marital Status

Loading...

3,403

Number of Veterans

Male Veterans

Female Veterans

Knox County, Illinois Veterans by War

Loading...

Knox County, Illinois Veterans by Age

Loading...

Knox County, Illinois Veterans by Race

Knox County, Illinois Veterans by Education

Loading...

11.39%

Veteran Poverty Rate

31.65%

Veteran Disability Rate

Knox County, Illinois Veterans by Education

Loading...

53.5%

Labor Force Participation

50.6%

Employment Rate

5.2%

Unemployment Rate

Knox County, Illinois Employment by Age

Loading...

Knox County, Illinois Employment by Race

Loading...

Knox County, Illinois Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

79.94%

Born in Knox County, Illinois

96.89%

Native Born

3.11%

Foreign Born

2.56%

Non Citizen

0.55%

Naturalized

Place of Birth

96.89% of Knox County, Illinois residents were born in the United States, with 79.94% having been born in Illinois. 2.56% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Knox County, Illinois Place of Birth

Sources