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Buying a home in Franklin County, Illinois

The typical owner-occupied home in Franklin County is worth about $89,000, 66% below the Illinois median of $263,300 and 73% below the national median of $332,700. Owners pay a median $1,394 a year in property taxes, about 1.57% of their home's value, lower than the Illinois rate of 2.01%. The median household earns $56,740 a year, so the median home costs 1.6 times the median income (3.2 times for Illinois). 74% of occupied homes here are lived in by their owners, and 41% of those owners still have a mortgage.

Franklin County at a glance

Franklin County Illinois U.S.
Median home value $89,000 $263,300 $332,700
Median property tax paid per year $1,394 $5,298 $3,119
Property tax as a share of value 1.57% 2.01% 0.94%
Median household income $56,740 $83,390 $80,734
Homes lived in by their owners 74% 67% 65%
Owner homes with a mortgage 41% 61% 61%
Median monthly costs, owners with a mortgage $1,171 $1,987 $1,963
Those costs as a share of the owners' income 18.7% 20.6% 21.0%
Median rent $803 $1,274 $1,413
Rent as a share of renters' income 30.8% 29.1% 30.6%
Median year homes were built 1963 1971 1980
Vacant homes 12.6% 7.7% 10.1%
Population 37,323 12,694,798 334,922,499

What a typical home costs per month in Franklin County

At this week's average 30-year rate of 7.11%, buying the median Franklin County home of $89,000 with 20% down costs about $632 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $781, 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 $27,107 for the 20%-down payment. That payment is 13% of the median Franklin County household income of $56,740; at that income and 20% down, the 28% guideline points to a home of about $186,000.

The median rent here is $803 a month, a little more than the monthly cost of owning the median home with 20% down.

20% down, 30-year conventional loan
Down payment$17,800
Loan amount$71,200
Principal and interest$479
Property taxes (1.57% a year)$116
Homeowners insurance (our estimate, 0.5% a year)$37
PMI$0
Total per month$632

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3.5% down, 30-year FHA loan
Down payment$3,115
Loan amount$87,388
Principal and interest$588
Property taxes (1.57% a year)$116
Homeowners insurance (our estimate, 0.5% a year)$37
FHA mortgage insurance$39
Total per month$781

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Questions about home buying in Franklin County

What is the median home value in Franklin County?

About $89,000 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Franklin County?

Homeowners pay a median $1,394 a year, which is about 1.57% 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 Franklin County?

For the median home with 20% down at 7.11%, the payment is about $632 a month. Keeping that under 28% of gross income takes about $27,107 a year.

More about Franklin County

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