The Knollwood CDP(1) had a population of 1,730 as of July 1, 2021. Knollwood ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.
The primary coordinate point for Knollwood is located at latitude 42.1959 and longitude -88.1151 in Lake County. The formal boundaries for the Knollwood Census Designated Place encompass a land area of 0.67 sq. miles and a water area of 0 sq. miles. Lake County is in the Central time zone (GMT -6). The elevation is 833 feet.
The Knollwood Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.
|Total Population||1,730 (100%)|
|Population in Households||1,642 (94.9%)|
|Population in Families||1,280 (74.0%)|
|Population in Group Quarters1||88 ( 5.1%)|
|Median Household Income||$111,433|
|Average Household Income||$142,582|
|% of Income for Mortgage4||13%|
|Per Capita Income||$57,695|
|Total HU (Housing Units)||710 (100%)|
|Owner Occupied HU||446 (62.8%)|
|Renter Occupied HU||228 (32.1%)|
|Vacant Housing Units||37 ( 5.2%)|
|Median Home Value||$354,037|
|Average Home Value||$365,372|
|Housing Affordability Index3||178|
|Average Household Size||2.44|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.49%|
|Per Capita Income||2.28%|
|Owner Occupied HU||0.36%|
The table below compares Knollwood to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 540||61st|
|Population Density||# 143||90th|
|Median Household Income||# 64||95th|
|Housing Affordability Index||# 355||26th|
|Per Capita Income||# 47||97th|
|Diversity Index||# 181||87th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.