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Buying a home in Rochester, Illinois

The typical owner-occupied home in Rochester is worth about $238,900, 9% below the Illinois median of $263,300 and 28% below the national median of $332,700. Owners pay a median $4,564 a year in property taxes, about 1.91% of their home's value, lower than the Illinois rate of 2.01%. The median household earns $117,118 a year, so the median home costs 2.0 times the median income (3.2 times for Illinois). 93% of occupied homes here are lived in by their owners, and 67% of those owners still have a mortgage.

Rochester at a glance

Rochester Illinois U.S.
Median home value $238,900 $263,300 $332,700
Median property tax paid per year $4,564 $5,298 $3,119
Property tax as a share of value 1.91% 2.01% 0.94%
Median household income $117,118 $83,390 $80,734
Homes lived in by their owners 93% 67% 65%
Owner homes with a mortgage 67% 61% 61%
Median monthly costs, owners with a mortgage $1,934 $1,987 $1,963
Those costs as a share of the owners' income 21.5% 20.6% 21.0%
Median rent $1,288 $1,274 $1,413
Rent as a share of renters' income 21.4% 29.1% 30.6%
Median year homes were built 1985 1971 1980
Vacant homes 3.7% 7.7% 10.1%
Population 3,766 12,694,798 334,922,499

What a typical home costs per month in Rochester

At this week's average 30-year rate of 7.11%, buying the median Rochester home of $238,900 with 20% down costs about $1,765 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $2,163, 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 $75,663 for the 20%-down payment. That payment is 18% of the median Rochester household income of $117,118; at that income and 20% down, the 28% guideline points to a home of about $370,000.

The median rent here is $1,288 a month, so owning the median home costs about $477 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$47,780
Loan amount$191,120
Principal and interest$1,286
Property taxes (1.91% a year)$380
Homeowners insurance (our estimate, 0.5% a year)$100
PMI$0
Total per month$1,765

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3.5% down, 30-year FHA loan
Down payment$8,362
Loan amount$234,573
Principal and interest$1,578
Property taxes (1.91% a year)$380
Homeowners insurance (our estimate, 0.5% a year)$100
FHA mortgage insurance$106
Total per month$2,163

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Questions about home buying in Rochester

What is the median home value in Rochester?

About $238,900 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Rochester?

Homeowners pay a median $4,564 a year, which is about 1.91% 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 Rochester?

For the median home with 20% down at 7.11%, the payment is about $1,765 a month. Keeping that under 28% of gross income takes about $75,663 a year.

More about Rochester

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