Knollwood is a city located in Lake County Illinois. Knollwood has a 2024 population of 1,842. Knollwood is currently growing at a rate of 2.22% annually and its population has increased by 9.38% since the most recent census, which recorded a population of 1,684 in 2020.
The average household income in Knollwood is $144,282 with a poverty rate of 6.93%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Knollwood is 38.7 years, 35.3 years for males, and 45.1 years for females.
According to the most recent ACS, the racial composition of Knollwood was:
White
Two or more races
Black or African American
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 577 | 2.9 | 71.1 | 28.9 |
| Married | 349 | 3.54 | 89.4 | 10.6 |
| Non Family | 132 | 1.27 | 44.7 | 55.3 |
| Female | 87 | 2.89 | 34.5 | 65.5 |
| Male | 9 | 2 | 100 | 0 |
3.38
Average Family Size
2.9
Average Household Size
71.1%
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 66.67%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
85.62% of Knollwood residents speak only English, while 14.38% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.23% of the population.
rate
6.93%
Overall Poverty Rate
7.92%
Male Poverty Rate
6.14%
Female Poverty Rate
The race most likely to be in poverty in Knollwood is Black, with 100% below the poverty level.
The race least likely to be in poverty in Knollwood is White, with 3.1% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 22.05%, and for those that did not work, the poverty rate was 6.29%.
Married
Widowed
Divorced
Separated
NeverMarried
56.2%
Overall Marriage Rate
65.2%
Male Marriage Rate
50.1%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 20-34, 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
0%
Veteran Poverty Rate
12.28%
Veteran Disability Rate
LaborForceParticipation
50.6%
Labor Force Participation
42.4%
Employment Rate
0%
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
65.85%
Born in Knollwood
91.66%
Native Born
8.34%
Foreign Born
0.57%
Non Citizen
7.77%
Naturalized
91.66% of Knollwood residents were born in the United States, with 65.85% having been born in Illinois. 0.57% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2024 | 1,842 | 40 | 2.22% |
| 2023 | 1,802 | 39 | 2.21% |
| 2022 | 1,763 | 44 | 2.56% |
| 2021 | 1,719 | 35 | 2.08% |
| 2020 | 1,684 | 19 | 1.14% |
| 2019 | 1,665 | -155 | -8.52% |
| 2018 | 1,820 | 6 | 0.33% |
| 2017 | 1,814 | 85 | 4.92% |
| 2016 | 1,729 | 116 | 7.19% |
| 2015 | 1,613 | 94 | 6.19% |
| 2014 | 1,519 | -52 | -3.31% |
| 2013 | 1,571 | 226 | 16.8% |
| 2012 | 1,345 | -55 | -3.93% |
| 2011 | 1,400 | -347 | -19.86% |
| 2010 | 1,747 | 0 | 0% |