CostBy County

Cost of Living in Lake County, Illinois

$1,477/mo
Median Monthly Rent
$345,700
Median Home Value

At a Glance

Median Monthly Rent
$1,477/mo
70% above state average
Median Home Value
$345,700
4% above national
Census GRAPI
29.7%
Median gross rent as % of renter income

Rent burden measured as median gross rent as a percentage of renter household income (Census ACS B25071)

Affordability Rating
Affordable
Median gross rent is under 30% of renter household income

These figures are county medians, not a personal budget. Use them to frame rent, ownership, and income tradeoffs, then account for household size, commute, financing, insurance, taxes, debt, and local availability before making a decision.

How Lake County Compares

Median monthly rent comparison

Lake County$1,477/mo
Illinois Average$867/mo
National Median$1,413/mo

Detailed Housing Stats

$1,477/mo
Median Gross Rent
$345,700
Median Home Value
$1,919/mo
Monthly Owner Cost
29.7%
Census GRAPI

National Ranking

Affordability Rank

Lake County ranks #2,969 of 3,142 counties for affordability (bottom 6%)

Most AffordableLeast Affordable

Sourced county brief

Lake County Median Gross Rent Reaches $1,477 Monthly

Median gross rent in Lake County was estimated at $1,477 per month, according to the U.S. Census Bureau ACS 2020-2024 5-Year Estimates. This figure is $610 higher than the Illinois unweighted county mean of $867. The official ACS B25071 median gross rent as a percentage of household income (GRAPI) was 29.7%, which differs from the state unweighted county mean official GRAPI of 26.1% by 3.6 percentage points. For homeowners, the median home value was $345,700, while the unweighted county mean across the state was $153,020. Median selected monthly owner costs for all owner-occupied units were $1,919, compared to the state unweighted county mean of $960. Renter-household median income was reported at $60,278. These figures represent the housing cost landscape during the five-year survey period ending in 2024. See ACS table B25071 for the underlying estimate.

Cost of Living Advisory: Lake County

Affordability Verdict

ACS B25071 estimates median gross rent at 29.7% of renter household income in Lake County, which is below the 30% affordability benchmark. This is a median percentage among renter-occupied units, not the share of households above a threshold.

Rent vs. Own

Median gross rent is $1,477 per month; median selected monthly owner costs are $1,919. These ACS medians describe different tenure groups and are not a personalized rent-versus-buy calculation.

Income Needed

Using the common 30% budgeting benchmark, $59,080 in annual gross income would allocate 30% to the county's median gross rent. This is a reproducible illustration, not evidence that a particular household can afford housing.

Regional Context

The Illinois unweighted mean of county median rents is $867 per month. Lake County's $1,477 median is 70.3% above that comparison value.

Data version acs5-2020-2024 · Method cost-advisory-v2

Affordability Calculator

See how your income compares to housing costs in Lake County

$

Rent Burden

16.1%

of gross income

Max Housing (28% Rule)

$2,576

per month

Owner Cost Burden

20.9%

of gross income

The median home in Lake County may be a stretch

Median home value is $345,700. Estimated monthly cost: $2,760 vs. your max of $2,576.

Rent Affordability Guide

Your entered rent as a share of entered income16.1%
Recommended max30.0%

Income Needed Calculator

See how much you need to earn to comfortably afford housing

$
Rent Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $110,416Needed: $59,080
Owner Cost Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $110,416Needed: $82,243
Mortgage Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $110,416Needed: $80,454

Based on the 30% rule for rent and 28% rule for housing costs (mortgage + owner costs). Mortgage estimate assumes 20% down, 7.2% interest, 30-year fixed.

Frequently Asked Questions

What is the cost of living in Lake County, Illinois?
Lake County, Illinois has a median monthly rent of $1,477/mo and a median home value of $345,700. The affordability rating is Affordable, with median gross rent equal to approximately 29.7% of renter household income.
What is the median rent in Lake County?
The median gross rent in Lake County is $1,477/mo. This is 70% above state average for Illinois.
Is Lake County affordable?
Lake County is rated Affordable using the Census median gross-rent-as-a-percentage-of-income measure of 29.7%. Median gross rent is under 30% of renter household income.
How does Lake County's rent compare to the state average?
Lake County's median rent of $1,477/mo is 70% above state average of $867/mo for Illinois.
What is the median home value in Lake County?
The median home value in Lake County, Illinois is $345,700. This is 4% above the national median home value of $332,700.

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Published by the CostByCounty Editorial Team. See our methodology and corrections policy.Data build reviewed 2026-07-09; first published 2026-03-10.

Data: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2020-2024). Data is informational only and is not personalized financial advice.

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