Knollwood, Illinois Population 2022

2,195
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Knollwood is a city located in Illinois. With a 2020 population of 2,195, it is the 484th largest city in Illinois and the 10441st largest city in the United States. Knollwood is currently growing at a rate of 1.71% annually and its population has increased by 3.49% since the most recent census, which recorded a population of 2,121 in 2020. Spanning over 1 miles, Knollwood has a population density of 3,635 people per square mile.

The average household income in Knollwood is $126,079 with a poverty rate of 2.99%. The median rental costs in recent years comes to $1,741 per month, and the median house value is $319,600. The median age in Knollwood is 38.3 years, 36.9 years for males, and 38.8 years for females.

Knollwood Demographics

According to the most recent ACS, the racial composition of Knollwoodwas:

  • White: 96.85%
  • Two or more races: 1.13%
  • Other race: 1.07%
  • Black or African American: 0.48%
  • Asian: 0.48%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Knollwood, Illinois is 2,195 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 2,121.

Knollwood, Illinois Population 2022

Population by Race

Race Population Percentage
White1,63196.85%
Black or African American80.48%
Asian80.48%
Some Other Race181.07%
Two or More Races191.13%
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Knollwood Population by Race

Knollwood Population Pyramid 2022

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Knollwood Median Age

38


Total

38.1


Male

38


Female

Knollwood Adults

There are 1,099 adults, (331 of whom are seniors) in Knollwood.

Knollwood Age Dependency

Age Dependency Ratio

43.1

Old Age Dependency Ratio

76.2

Child Dependency Ratio

Knollwood Sex Ratio

Female

976

57.96%

Male

708

42.04%

Knollwood Population by Age

Knollwood Renter vs Owner Occupied by Household Type

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Knollwood Household Types

Type Owner Renter
Married73.3%26.7%
Female68.2%31.8%
All67.4%32.6%
Non Family47.5%52.5%
Male0%0%

67.4%

Rate of Home Ownership

Knollwood Households and Families

Type Count Average Size Owned
All5193.0967.4
Married3333.5873.3
Male00
Female853.4968.2
Non Family1011.1447.5

3.56

Average Family Size

3.09

Average Household Size

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Knollwood Households by Type

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Education Attained Count Percentage
Less Than 9th Grade80.77%
9th to 12th Grade151.45%
High School Graduate25724.78%
Some College18317.65%
Associates Degree666.36%
Bachelors Degree31630.47%
Graduate Degree19218.51%
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Knollwood Educational Attainment by Sex (over 25)

Knollwood Educational Attainment by Race

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Race Total High School Bachelors
White873858483
Other Race18189
Hispanic14014025
Black88
2+ Races88
Asian8

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 white people with a rate of 55.33%.

Knollwood Educational Attainment by Race

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Name Average Male Female
Overall$64,938$102,321$54,435
Less Than 9th Grade$$$
High School Graduate$$150,946$
Some College$79,896$$82,782
Bachelors Degree$52,955$128,864$36,389
Graduate Degree$92,292$$98,750

$64,938

Average Earnings

$102,321

Average Male

$54,435

Average Female

Knollwood Earnings by Educational Attainment

Knollwood Language by Age

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Knollwood Language

83.73% of Knollwood residents speak only English, while 16.27% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 13.62% of the population.

Knollwood Language

Knollwood Poverty by Race

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Name Total In Poverty Poverty Rate
White1,220373.03%
OtherNaN%
Multiple1111100.00%

2.99%

Overall Poverty Rate

4.34%

Male Poverty Rate

1.98%

Female Poverty Rate

Poverty in Knollwood

The race most likely to be in poverty in Knollwood is White, with 3.03% below the poverty level.

The race least likely to be in poverty in Knollwood is Multiple, with 100.00% 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 0.00%, and for those that did not work, the poverty rate was 8.96%.

Knollwood Poverty

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Name Poverty
Less Than 9th Grade0.00%
High School5.26%
Some College7.76%
Bachelors or Greater1.60%

Knollwood Poverty Rate by Education

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Rate Poverty
Male Employed0.00%
Male Unemployed100.00%
Female Employed0.00%
Female Unemployed0.00%

Knollwood Poverty Rate by Employment Status and Sex

Knollwood Income by Household Type

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Name Median Mean
Households$126,250$126,306
Families$144,000$133,700
Married Families$162,676-
Non Families$53,239$95,707
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Income by Household Type

Knollwood Marital Status

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Marriage Rates

57.8%

Overall Marriage Rate

65.2%

Male Marriage Rate

52.9%

Female Marriage Rate

Knollwood Married by Age and Sex

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Knollwood 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.

Knollwood Marital Status by Race

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Knollwood Marital Status

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86

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War21
First Gulf War16
Vietnam49
Korea
World War II

Knollwood Veterans by War

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Age Group Veterans
18 to 3413
35 to 54
55 to 6416
65 to 7450
75+7

Knollwood Veterans by Age

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Name Veterans % of Total
White868.81%
Hispanic75.04%

Knollwood Veterans by Race

Knollwood Veterans by Education

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12.79%

Veteran Poverty Rate

15.12%

Veteran Disability Rate

Knollwood Veterans by Education

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53%

Labor Force Participation

43.6%

Employment Rate

5.6%

Unemployment Rate

Knollwood Employment by Age

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Knollwood Employment by Race

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Knollwood 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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65.97%

Born in Knollwood

94.48%

Native Born

5.52%

Foreign Born

0.59%

Non Citizen

4.93%

Naturalized

Place of Birth

94.48% of Knollwood residents were born in the United States, with 65.97% having been born in Illinois. 0.59% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Knollwood Place of Birth

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
20101,7470.00%
20111,784372.12%
20121,821372.07%
20131,858372.03%
20141,895371.99%
20151,932371.95%
20161,969371.92%
20172,006371.88%
20182,043371.84%
20192,080371.81%
20202,121411.97%
20212,158371.74%
20222,195371.71%

Knollwood Population by Year