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Buying a home in Clark County, Illinois

The typical owner-occupied home in Clark County is worth about $132,400, 50% below the Illinois median of $263,300 and 60% below the national median of $332,700. Owners pay a median $2,064 a year in property taxes, about 1.56% of their home's value, lower than the Illinois rate of 2.01%. The median household earns $72,927 a year, so the median home costs 1.8 times the median income (3.2 times for Illinois). 80% of occupied homes here are lived in by their owners, and 50% of those owners still have a mortgage.

Clark County at a glance

Clark County Illinois U.S.
Median home value $132,400 $263,300 $332,700
Median property tax paid per year $2,064 $5,298 $3,119
Property tax as a share of value 1.56% 2.01% 0.94%
Median household income $72,927 $83,390 $80,734
Homes lived in by their owners 80% 67% 65%
Owner homes with a mortgage 50% 61% 61%
Median monthly costs, owners with a mortgage $1,233 $1,987 $1,963
Those costs as a share of the owners' income 17.5% 20.6% 21.0%
Median rent $861 $1,274 $1,413
Rent as a share of renters' income 28.5% 29.1% 30.6%
Median year homes were built 1971 1971 1980
Vacant homes 10.3% 7.7% 10.1%
Population 15,266 12,694,798 334,922,499

What a typical home costs per month in Clark County

At this week's average 30-year rate of 7.11%, buying the median Clark County home of $132,400 with 20% down costs about $940 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $1,160, 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 $40,278 for the 20%-down payment. That payment is 15% of the median Clark County household income of $72,927; at that income and 20% down, the 28% guideline points to a home of about $240,000.

The median rent here is $861 a month, so owning the median home costs about $79 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$26,480
Loan amount$105,920
Principal and interest$713
Property taxes (1.56% a year)$172
Homeowners insurance (our estimate, 0.5% a year)$55
PMI$0
Total per month$940

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3.5% down, 30-year FHA loan
Down payment$4,634
Loan amount$130,002
Principal and interest$875
Property taxes (1.56% a year)$172
Homeowners insurance (our estimate, 0.5% a year)$55
FHA mortgage insurance$59
Total per month$1,160

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Questions about home buying in Clark County

What is the median home value in Clark County?

About $132,400 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Clark County?

Homeowners pay a median $2,064 a year, which is about 1.56% 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 Clark County?

For the median home with 20% down at 7.11%, the payment is about $940 a month. Keeping that under 28% of gross income takes about $40,278 a year.

More about Clark 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