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Buying a home in Buffalo Grove, Illinois

The typical owner-occupied home in Buffalo Grove is worth about $412,300, 57% above the Illinois median of $263,300 and 24% above the national median of $332,700. Owners pay a median $10,001 a year in property taxes, about 2.43% of their home's value, higher than the Illinois rate of 2.01%. The median household earns $129,395 a year, so the median home costs 3.2 times the median income (3.2 times for Illinois). 80% of occupied homes here are lived in by their owners, and 64% of those owners still have a mortgage.

Buffalo Grove at a glance

Buffalo Grove Illinois U.S.
Median home value $412,300 $263,300 $332,700
Median property tax paid per year $10,001 $5,298 $3,119
Property tax as a share of value 2.43% 2.01% 0.94%
Median household income $129,395 $83,390 $80,734
Homes lived in by their owners 80% 67% 65%
Owner homes with a mortgage 64% 61% 61%
Median monthly costs, owners with a mortgage $2,839 $1,987 $1,963
Those costs as a share of the owners' income 21.9% 20.6% 21.0%
Median rent $2,037 $1,274 $1,413
Rent as a share of renters' income 24.7% 29.1% 30.6%
Median year homes were built 1981 1971 1980
Vacant homes 2.3% 7.7% 10.1%
Population 42,891 12,694,798 334,922,499

What a typical home costs per month in Buffalo Grove

At this week's average 30-year rate of 7.11%, buying the median Buffalo Grove home of $412,300 with 20% down costs about $3,226 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $3,912, 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 $138,238 for the 20%-down payment. That payment is 30% of the median Buffalo Grove household income of $129,395; at that income and 20% down, the 28% guideline points to a home of about $386,000.

The median rent here is $2,037 a month, so owning the median home costs about $1,189 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$82,460
Loan amount$329,840
Principal and interest$2,219
Property taxes (2.43% a year)$835
Homeowners insurance (our estimate, 0.5% a year)$172
PMI$0
Total per month$3,226

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3.5% down, 30-year FHA loan
Down payment$14,430
Loan amount$404,832
Principal and interest$2,723
Property taxes (2.43% a year)$835
Homeowners insurance (our estimate, 0.5% a year)$172
FHA mortgage insurance$182
Total per month$3,912

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Questions about home buying in Buffalo Grove

What is the median home value in Buffalo Grove?

About $412,300 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Buffalo Grove?

Homeowners pay a median $10,001 a year, which is about 2.43% 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 Grove?

For the median home with 20% down at 7.11%, the payment is about $3,226 a month. Keeping that under 28% of gross income takes about $138,238 a year.

More about Buffalo Grove

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