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Buying a home in Piatt County, Illinois

The typical owner-occupied home in Piatt County is worth about $180,600, 31% below the Illinois median of $263,300 and 46% below the national median of $332,700. Owners pay a median $3,265 a year in property taxes, about 1.81% of their home's value, lower than the Illinois rate of 2.01%. The median household earns $94,811 a year, so the median home costs 1.9 times the median income (3.2 times for Illinois). 85% of occupied homes here are lived in by their owners, and 59% of those owners still have a mortgage.

Piatt County at a glance

Piatt County Illinois U.S.
Median home value $180,600 $263,300 $332,700
Median property tax paid per year $3,265 $5,298 $3,119
Property tax as a share of value 1.81% 2.01% 0.94%
Median household income $94,811 $83,390 $80,734
Homes lived in by their owners 85% 67% 65%
Owner homes with a mortgage 59% 61% 61%
Median monthly costs, owners with a mortgage $1,527 $1,987 $1,963
Those costs as a share of the owners' income 18.1% 20.6% 21.0%
Median rent $1,046 $1,274 $1,413
Rent as a share of renters' income 21.9% 29.1% 30.6%
Median year homes were built 1973 1971 1980
Vacant homes 6.6% 7.7% 10.1%
Population 16,695 12,694,798 334,922,499

What a typical home costs per month in Piatt County

At this week's average 30-year rate of 7.11%, buying the median Piatt County home of $180,600 with 20% down costs about $1,320 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $1,620, 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 $56,554 for the 20%-down payment. That payment is 17% of the median Piatt County household income of $94,811; at that income and 20% down, the 28% guideline points to a home of about $303,000.

The median rent here is $1,046 a month, so owning the median home costs about $274 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$36,120
Loan amount$144,480
Principal and interest$972
Property taxes (1.81% a year)$272
Homeowners insurance (our estimate, 0.5% a year)$75
PMI$0
Total per month$1,320

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3.5% down, 30-year FHA loan
Down payment$6,321
Loan amount$177,329
Principal and interest$1,193
Property taxes (1.81% a year)$272
Homeowners insurance (our estimate, 0.5% a year)$75
FHA mortgage insurance$80
Total per month$1,620

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Questions about home buying in Piatt County

What is the median home value in Piatt County?

About $180,600 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Piatt County?

Homeowners pay a median $3,265 a year, which is about 1.81% 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 Piatt County?

For the median home with 20% down at 7.11%, the payment is about $1,320 a month. Keeping that under 28% of gross income takes about $56,554 a year.

More about Piatt 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