Knollwood

Population: 1,907
Median household income: $133,452
Median home value: $372,500

Located in Lake County, Illinois, Knollwood is a community with a population of 1,907. At $133,452, its median household income sits above Lake County's $108,917.

From 2019 to 2023, Knollwood's population grew 14.5% from 1,665 to 1,907, while its median home value rose 14.9% from $324,100 to $372,500.

Owners occupy 76.8% of the area's occupied homes. The median resident is 36.9 years old.

Demographics

ACS 2019–2023

Population: 1,907
Median age: 36.9 yrs
Median household income: $133,452
Median home value: $372,500
Median gross rent: $1,733
Housing units: 778
Homeownership rate: 76.8%
Bachelor's degree or higher: 45.6%
Unemployment rate: 0.0%

Trends

ACS 5-year · 2019–2023

Population

1,6651,907

Median household income

$103,750$133,452

Median home value

$324,100$372,500

Median gross rent

$1,545$1,733

Year	Population	Median household income	Median home value	Median gross rent
2019	1,665	$103,750	$324,100	$1,545
2020	1,684	$126,250	$319,600	$1,741
2021	1,719	$123,523	$336,700	$2,163
2022	1,763	$157,396	$350,000	$1,750
2023	1,907	$133,452	$372,500	$1,733

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 56.9%

5 to 1729.9%

18 to 241.6%

25 to 347.2%

35 to 449.8%

45 to 5418.3%

55 to 645.8%

65 to 7412.3%

75 and over8.1%

	Count	Share
Under 5	132	6.9%
5 to 17	570	29.9%
18 to 24	31	1.6%
25 to 34	137	7.2%
35 to 44	187	9.8%
45 to 54	349	18.3%
55 to 64	111	5.8%
65 to 74	235	12.3%
75 and over	155	8.1%

Race & ethnicity

	Count	Share
White (non-Hispanic)	1,442	75.6%
Black or African American	116	6.1%
American Indian & Alaska Native	0	0.0%
Asian	26	1.4%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	20	1.0%
Hispanic or Latino (any race)	303	15.9%

Educational attainment (age 25+)

No high school diploma4.3%

High school graduate26.4%

Some college or associate's23.8%

Bachelor's degree32.5%

Graduate or professional degree13.0%

	Count	Share
No high school diploma	50	4.3%
High school graduate	310	26.4%
Some college or associate's	279	23.8%
Bachelor's degree	382	32.5%
Graduate or professional degree	153	13.0%

Commute to work

Mean travel time to work: 23 min

Drove alone66.1%

Carpooled0.0%

Public transit0.0%

Walked0.0%

Bicycle3.4%

Worked from home29.3%

Other means1.1%

How workers get to work

	Count	Share
Drove alone	403	66.1%
Carpooled	0	0.0%
Public transit	0	0.0%
Walked	0	0.0%
Bicycle	21	3.4%
Worked from home	179	29.3%
Other means	7	1.1%

Travel time

	Count	Share
Under 15 min	169	39.2%
15 to 29 min	103	23.9%
30 to 44 min	79	18.3%
45 to 59 min	80	18.6%
60+ min	0	0.0%

Households

Average household size: 2.89
Poverty rate: 8.8% (160 of 1,812)

	Count	Share
Family households	517	82.6%
Nonfamily households	109	17.4%

Housing

Median year structure built: 1970

Occupancy

	Count	Share
Occupied	626	80.5%
Vacant	152	19.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	481	76.8%
Renter-occupied	145	23.2%

1-unit, detached86.4%

1-unit, attached5.1%

2 to 4 units0.0%

5 to 19 units4.0%

20 or more units3.3%

Mobile home & other1.2%

Units in structure

	Count	Share
1-unit, detached	672	86.4%
1-unit, attached	40	5.1%
2 to 4 units	0	0.0%
5 to 19 units	31	4.0%
20 or more units	26	3.3%
Mobile home & other	9	1.2%

Geography

Place GEOID: 1740364
Type (LSAD): 57
Land area: 0.6 sq mi
Water area: 0 sq mi
Center point: 42.2846, -87.8793