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Buying a home in Naperville, Illinois

The typical owner-occupied home in Naperville is worth about $540,200, 2.1 times the Illinois median of $263,300 and 62% above the national median of $332,700. Owners pay a median $10,001 a year in property taxes, about 1.85% of their home's value, lower than the Illinois rate of 2.01%. The median household earns $155,105 a year, so the median home costs 3.5 times the median income (3.2 times for Illinois). 75% of occupied homes here are lived in by their owners, and 67% of those owners still have a mortgage.

Naperville at a glance

Naperville Illinois U.S.
Median home value $540,200 $263,300 $332,700
Median property tax paid per year $10,001 $5,298 $3,119
Property tax as a share of value 1.85% 2.01% 0.94%
Median household income $155,105 $83,390 $80,734
Homes lived in by their owners 75% 67% 65%
Owner homes with a mortgage 67% 61% 61%
Median monthly costs, owners with a mortgage $3,154 $1,987 $1,963
Those costs as a share of the owners' income 19.4% 20.6% 21.0%
Median rent $1,885 $1,274 $1,413
Rent as a share of renters' income 24.9% 29.1% 30.6%
Median year homes were built 1990 1971 1980
Vacant homes 4.0% 7.7% 10.1%
Population 150,692 12,694,798 334,922,499

What a typical home costs per month in Naperville

At this week's average 30-year rate of 7.11%, buying the median Naperville home of $540,200 with 20% down costs about $3,965 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $4,865, because the loan is bigger and FHA adds mortgage insurance.

Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $169,931 for the 20%-down payment. That payment is 31% of the median Naperville household income of $155,105; at that income and 20% down, the 28% guideline points to a home of about $493,000.

The median rent here is $1,885 a month, so owning the median home costs about $2,080 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$108,040
Loan amount$432,160
Principal and interest$2,907
Property taxes (1.85% a year)$833
Homeowners insurance (our estimate, 0.5% a year)$225
PMI$0
Total per month$3,965

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3.5% down, 30-year FHA loan
Down payment$18,907
Loan amount$530,416
Principal and interest$3,568
Property taxes (1.85% a year)$833
Homeowners insurance (our estimate, 0.5% a year)$225
FHA mortgage insurance$239
Total per month$4,865

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Questions about home buying in Naperville

What is the median home value in Naperville?

About $540,200 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Naperville?

Homeowners pay a median $10,001 a year, which is about 1.85% of the median home value. Your bill depends on your home's assessed value and local rates.

What income do you need to buy a home in Naperville?

For the median home with 20% down at 7.11%, the payment is about $3,965 a month. Keeping that under 28% of gross income takes about $169,931 a year.

More about Naperville

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data