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Buying a home in Buffalo, Illinois

The typical owner-occupied home in Buffalo is worth about $112,100, 57% below the Illinois median of $263,300 and 66% below the national median of $332,700. Owners pay a median $2,148 a year in property taxes, about 1.92% of their home's value, close to the Illinois rate of 2.01%. The median household earns $56,250 a year, so the median home costs 2.0 times the median income (3.2 times for Illinois). 70% of occupied homes here are lived in by their owners, and 69% of those owners still have a mortgage.

Buffalo at a glance

Buffalo Illinois U.S.
Median home value $112,100 $263,300 $332,700
Median property tax paid per year $2,148 $5,298 $3,119
Property tax as a share of value 1.92% 2.01% 0.94%
Median household income $56,250 $83,390 $80,734
Homes lived in by their owners 70% 67% 65%
Owner homes with a mortgage 69% 61% 61%
Median monthly costs, owners with a mortgage $1,325 $1,987 $1,963
Those costs as a share of the owners' income 21.8% 20.6% 21.0%
Median rent $533 $1,274 $1,413
Rent as a share of renters' income 36.1% 29.1% 30.6%
Median year homes were built 1964 1971 1980
Vacant homes 10.0% 7.7% 10.1%
Population 482 12,694,798 334,922,499

What a typical home costs per month in Buffalo

At this week's average 30-year rate of 7.11%, buying the median Buffalo home of $112,100 with 20% down costs about $829 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $1,016, 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 $35,544 for the 20%-down payment. That payment is 18% of the median Buffalo household income of $56,250; at that income and 20% down, the 28% guideline points to a home of about $177,000.

The median rent here is $533 a month, so owning the median home costs about $296 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$22,420
Loan amount$89,680
Principal and interest$603
Property taxes (1.92% a year)$179
Homeowners insurance (our estimate, 0.5% a year)$47
PMI$0
Total per month$829

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3.5% down, 30-year FHA loan
Down payment$3,924
Loan amount$110,070
Principal and interest$740
Property taxes (1.92% a year)$179
Homeowners insurance (our estimate, 0.5% a year)$47
FHA mortgage insurance$50
Total per month$1,016

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Questions about home buying in Buffalo

What is the median home value in Buffalo?

About $112,100 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Buffalo?

Homeowners pay a median $2,148 a year, which is about 1.92% 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 Buffalo?

For the median home with 20% down at 7.11%, the payment is about $829 a month. Keeping that under 28% of gross income takes about $35,544 a year.

More about Buffalo

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