How many renters in Knollwood, IL pay more than 30% of their income on rent?

Name: Rent burden in Knollwood, IL, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

82.1% (±38.9 points) of renting households in Knollwood, IL spend 30% or more of their household income on gross rent (2020–2024 American Community Survey).

70.1% spend 35% or more.

The median renting household spends 37.0% of its income on rent.

Figures last updated on November 12, 2026.

Paying 30% or more: 82.1% (±38.9 points)
Paying 35% or more: 70.1% (±33.0 points)
Median share of income: 37.0% (±6.3 points)

Rent as a share of income in Knollwood

Renting households by gross rent as a percentage of household income, 2020–2024
Share of income spent on rent	Knollwood	Lake County	Illinois	United States
Less than 15%	0.0% (±26.9 points)	14.4%	14.4%	12.6%
15% to 19.9%	17.9% (±26.7 points)	12.6%	13.4%	12.2%
20% to 24.9%	0.0% (±26.9 points)	13.2%	13.1%	12.6%
25% to 29.9%	0.0% (±26.9 points)	10.5%	11.2%	11.5%
30% to 34.9%	12.0% (±20.6 points)	9.2%	8.9%	9.2%
35% or more	70.1% (±33.0 points)	40.1%	39.0%	41.9%

Households whose income could not be measured against their rent (for example, those reporting no income) are left out of these shares, as the Census Bureau leaves them out.

Knollwood against Lake County, its state and the nation

Estimate (90% margin of error)
	Knollwood	Lake County	Illinois	United States
Paying 30% or more	82.1% (±38.9 points)	49.3% (±2.3 points)	47.9% (±0.4 points)	51.1%
Paying 35% or more	70.1% (±33.0 points)	40.1% (±1.8 points)	39.0% (±0.4 points)	41.9%
Median share of income	37.0% (±6.3 points)	29.7% (±1.0 points)	29.1% (±0.2 points)	30.6%
Median renter household income	$63,175 (±$31,634)	$60,278 (±$2,115)	$50,420 (±$471)	$52,966
Median gross rent	$1,659 (±$333)	$1,477 (±$29)	$1,274 (±$5)	$1,413

In Knollwood, the share of renters paying 30% or more of income is not measurably different from Lake County (49.3%).

It is not measurably different from Illinois (47.9%).

It is not measurably different from the national figure (51.1%).

In Lake County, Knollwood ranks 4 of 71 places with a published estimate, from highest to lowest share of renters paying 30% or more of income.

Statewide, it ranks 136 of 2,503.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

Renters paying 30% or more of income in places near Knollwood

Nearest places with a published estimate, compared with Knollwood
Place	Distance	Renters paying 30% or more of income	Compared with this place
Knollwood	—	82.1% (±38.9 points)	—
Shields Township	1.2 mi	53.0% (±7.9 points)	Not measurably different
Lake Bluff	1.4 mi	61.2% (±31.8 points)	Not measurably different
Green Oaks	1.9 mi	51.7% (±32.7 points)	Not measurably different
North Chicago	2.4 mi	51.6% (±6.8 points)	Not measurably different
Libertyville Township	3.4 mi	48.1% (±6.4 points)	Not measurably different
Mettawa	3.6 mi	0.0% (±141.4 points)	Not measurably different
Lake Forest	3.6 mi	38.8% (±13.7 points)	Lower
Libertyville	4.5 mi	51.3% (±11.8 points)	Not measurably different

Nearby places with a measurably lower figure: Lake Forest, IL (38.8%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Renters paying 30% or more of income across Lake County, place by place

Rank	Place	Renters paying 30% or more of income
1 (tie)	Bannockburn	100.0% (±141.4 points)
1 (tie)	Forest Lake	100.0% (±80.9 points)
3	Riverwoods	86.6% (±48.6 points)
4	Knollwood	82.1% (±38.9 points)
5	North Barrington	76.2% (±53.4 points)
6	Channel Lake	75.3% (±29.2 points)
7	Lake Barrington	70.7% (±20.2 points)
8	Fox Lake	63.6% (±14.2 points)
9	Tower Lakes	61.5% (±102.4 points)
10	Lake Bluff	61.2% (±31.8 points)

Showing 10 of 71 places in Lake County, ranked from highest to lowest.

Knollwood is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Knollwood

Are renters in Knollwood rent-burdened?

82.1% of renting households in Knollwood pay 30% or more of their income in gross rent, the share housing researchers usually call rent-burdened (2020–2024 American Community Survey).

What share of income do renters in Knollwood spend on rent?

The median renting household in Knollwood, IL spends 37.0% (±6.3 points) of its household income on gross rent.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) and detailed tables (acs/acs5) for Knollwood CDP, Illinois (place:40364, in state:17).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0136E, DP04_0136M, DP04_0137PE, DP04_0137PM, DP04_0138PE, DP04_0138PM, DP04_0139PE, DP04_0139PM, DP04_0140PE, DP04_0140PM, DP04_0141PE, DP04_0141PM, DP04_0142PE, DP04_0142PM, B25071_001E, B25071_001M, B25119_003E, B25119_003M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.