Knollwood CDP, Illinois demographics
Population: 1,719
Median age: 36.8
Median household income: 123,523
Knollwood is a CDP in Lake County, Illinois, United States.
Demographics, population, home values, social and economic characteristics of Knollwood CDP, IL.
Population
| 2021 | 1,719 |
| 2020 | 1,684 |
| 2019 | 1,665 |
| 2018 | 1,820 |
| 2017 | 1,814 |
| 2016 | 1,729 |
| 2015 | 1,613 |
| 2014 | 1,519 |
| 2013 | 1,571 |
| 2012 | 1,345 |
| 2011 | 1,400 |
| 2010 | 1,676 |
Census data for Knollwood CDP, Illinois
Demographic and housing estimates in Knollwood CDP, Illinois
| Total population | 1,719 |
| Male | 794 |
| Female | 925 |
| Total population | 1,719 |
| Under 5 years | 123 |
| 5 to 9 years | 180 |
| 10 to 14 years | 128 |
| 15 to 19 years | 201 |
| 20 to 24 years | 33 |
| 25 to 34 years | 124 |
| 35 to 44 years | 202 |
| 45 to 54 years | 276 |
| 55 to 59 years | 68 |
| 60 to 64 years | 51 |
| 65 to 74 years | 235 |
| 75 to 84 years | 83 |
| 85 years and over | 15 |
| Median age (years) | 36.8 |
| Under 18 years | 632 |
| 16 years and over | 1,199 |
| 18 years and over | 1,087 |
| 21 years and over | 1,087 |
| 62 years and over | 341 |
| 65 years and over | 333 |
| Total population | 1,719 |
| One race | 1,700 |
| White | 1,650 |
| Black or African American | 8 |
| American Indian and Alaska Native | 0 |
| Asian | 22 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 20 |
| Two or more races | 19 |
| Citizen, VOTING AGE 18 and over population | 1,087 |
| Male Citizen, VOTING AGE 18 and over population | 428 |
| Female Citizen, VOTING AGE 18 and over population | 659 |
Social characteristics in Knollwood CDP, Illinois
| Total households | 545 |
| Family households (families) | 338 |
| Married-couple family | 12 |
| Male householder, no wife present, family | 41 |
| Female householder, no husband present, family | 28 |
| Nonfamily households | 154 |
| Average household size | 173 |
| Average family size | 3.01 |
Economic characteristics in Knollwood CDP, Illinois
| Total households | 545 |
| Less than $10,000 | 9 |
| $10,000 to $14,999 | 18 |
| $15,000 to $24,999 | 8 |
| $25,000 to $34,999 | 47 |
| $35,000 to $49,999 | 35 |
| $50,000 to $74,999 | 53 |
| $75,000 to $99,999 | 38 |
| $100,000 to $149,999 | 115 |
| $150,000 to $199,999 | 158 |
| $200,000 or more | 64 |
| Median household income (dollars) | 123,523 |
Housing characteristics in Knollwood CDP, Illinois
| Total housing units | 633 |
| Occupied housing units | 545 |
| Vacant housing units | 88 |
| Total housing units | 633 |
| 1-unit, detached | 570 |
| 1-unit, attached | 19 |
| 2 units | 0 |
| 3 or 4 units | 8 |
| 5 to 9 units | 7 |
| 10 to 19 units | 16 |
| 20 or more units | 0 |
| Mobile home | 13 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 633 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 0 |
| Built 2000 to 2009 | 34 |
| Built 1990 to 1999 | 10 |
| Built 1980 to 1989 | 50 |
| Built 1970 to 1979 | 192 |
| Built 1960 to 1969 | 145 |
| Built 1950 to 1959 | 186 |
| Built 1940 to 1949 | 16 |
| Built 1939 or earlier | 0 |
| Total housing units | 633 |
| 1 room | 0 |
| 2 rooms | 12 |
| 3 rooms | 0 |
| 4 rooms | 41 |
| 5 rooms | 111 |
| 6 rooms | 120 |
| 7 rooms | 115 |
| 8 rooms | 110 |
| 9 rooms or more | 124 |
| Median rooms | 6.8 |
| Total housing units | 633 |
| No bedroom | 0 |
| 1 bedroom | 19 |
| 2 bedrooms | 83 |
| 3 bedrooms | 367 |
| 4 bedrooms | 111 |
| 5 or more bedrooms | 53 |
| Occupied housing units | 545 |
| Owner-occupied | 348 |
| Renter-occupied | 197 |
| Average household size of owner-occupied unit | 3.16 |
| Average household size of renter-occupied unit | 2.74 |
| Occupied housing units | 545 |
| Moved in 2017 or later | 46 |
| Moved in 2015 to 2016 | 88 |
| Moved in 2010 to 2014 | 159 |
| Moved in 2000 to 2009 | 107 |
| Moved in 1990 to 1999 | 26 |
| Moved in 1989 and earlier | 119 |
| Owner-occupied units | 348 |
| Less than $50,000 | 13 |
| $50,000 to $99,999 | 7 |
| $100,000 to $149,999 | 0 |
| $150,000 to $199,999 | 0 |
| $200,000 to $299,999 | 92 |
| $300,000 to $499,999 | 191 |
| $500,000 to $999,999 | 45 |
| $1,000,000 or more | 0 |
| Median (dollars) | 336,700 |
| Owner-occupied units | 348 |
| Housing units with a mortgage | 220 |
| Housing units without a mortgage | 128 |
| Occupied units paying rent | 167 |
| Less than $500 | 0 |
| $500 to $999 | 12 |
| $1,000 to $1,499 | 12 |
| $1,500 to $1,999 | 38 |
| $2,000 to $2,499 | 66 |
| $2,500 to $2,999 | 12 |
| $3,000 or more | 27 |
| Median (dollars) | 2,163 |
| No rent paid | 30 |
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