CostBy County

Cost of Living in LaSalle County, Illinois

$928/mo
Median Monthly Rent
$161,900
Median Home Value

At a Glance

Median Monthly Rent
$928/mo
7% above state average
Median Home Value
$161,900
51% below national
Census GRAPI
27.1%
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 LaSalle County Compares

Median monthly rent comparison

LaSalle County$928/mo
Illinois Average$867/mo
National Median$1,413/mo

Detailed Housing Stats

$928/mo
Median Gross Rent
$161,900
Median Home Value
$1,013/mo
Monthly Owner Cost
27.1%
Census GRAPI

National Ranking

Affordability Rank

LaSalle County ranks #2,052 of 3,142 counties for affordability (bottom 35%)

Most AffordableLeast Affordable

Sourced county brief

LaSalle County Official GRAPI Estimated at 27.1 Percent

The official ACS B25071 median gross rent as a percentage of household income (GRAPI) in LaSalle County was 27.1%. This is 1.0 percentage point above the Illinois unweighted county mean official GRAPI of 26.1%. Median gross rent in the county was $928, exceeding the state unweighted county mean of $867. For owner-occupied housing, the median home value was $161,900, while the state unweighted county mean was $153,020. Median selected monthly owner costs for all owner-occupied units were $1,013, compared to the state unweighted county mean of $960. Renter-households in the county had a median income of $39,487. All figures are based on the ACS 2020-2024 5-Year Estimates and provide a snapshot of the local housing cost environment during the five-year period. See ACS table B25071 for the underlying estimate.

Cost of Living Advisory: LaSalle County

Affordability Verdict

ACS B25071 estimates median gross rent at 27.1% of renter household income in LaSalle 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 $928 per month; median selected monthly owner costs are $1,013. These ACS medians describe different tenure groups and are not a personalized rent-versus-buy calculation.

Income Needed

Using the common 30% budgeting benchmark, $37,120 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. LaSalle County's $928 median is 7.0% above that comparison value.

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

Affordability Calculator

See how your income compares to housing costs in LaSalle County

$

Rent Burden

15.2%

of gross income

Max Housing (28% Rule)

$1,704

per month

Owner Cost Burden

16.6%

of gross income

You can likely afford the median home in LaSalle County

Median home value is $161,900. Estimated monthly cost: $1,293 vs. your max of $1,704.

Rent Affordability Guide

Your entered rent as a share of entered income15.2%
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: $73,045Needed: $37,120
Owner Cost Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $73,045Needed: $43,414
Mortgage Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $73,045Needed: $37,679

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 LaSalle County, Illinois?
LaSalle County, Illinois has a median monthly rent of $928/mo and a median home value of $161,900. The affordability rating is Affordable, with median gross rent equal to approximately 27.1% of renter household income.
What is the median rent in LaSalle County?
The median gross rent in LaSalle County is $928/mo. This is 7% above state average for Illinois.
Is LaSalle County affordable?
LaSalle County is rated Affordable using the Census median gross-rent-as-a-percentage-of-income measure of 27.1%. Median gross rent is under 30% of renter household income.
How does LaSalle County's rent compare to the state average?
LaSalle County's median rent of $928/mo is 7% above state average of $867/mo for Illinois.
What is the median home value in LaSalle County?
The median home value in LaSalle County, Illinois is $161,900. This is 51% below 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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