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Buying a home in Johnston City, Illinois

The typical owner-occupied home in Johnston City is worth about $88,100, 67% below the Illinois median of $263,300 and 74% below the national median of $332,700. Owners pay a median $1,620 a year in property taxes, about 1.84% of their home's value, lower than the Illinois rate of 2.01%. The median household earns $42,465 a year, so the median home costs 2.1 times the median income (3.2 times for Illinois). 71% of occupied homes here are lived in by their owners, and 54% of those owners still have a mortgage.

Johnston City at a glance

Johnston City Illinois U.S.
Median home value $88,100 $263,300 $332,700
Median property tax paid per year $1,620 $5,298 $3,119
Property tax as a share of value 1.84% 2.01% 0.94%
Median household income $42,465 $83,390 $80,734
Homes lived in by their owners 71% 67% 65%
Owner homes with a mortgage 54% 61% 61%
Median monthly costs, owners with a mortgage $991 $1,987 $1,963
Those costs as a share of the owners' income 17.7% 20.6% 21.0%
Median rent $976 $1,274 $1,413
Rent as a share of renters' income 37.1% 29.1% 30.6%
Median year homes were built 1956 1971 1980
Vacant homes 8.3% 7.7% 10.1%
Population 3,327 12,694,798 334,922,499

What a typical home costs per month in Johnston City

At this week's average 30-year rate of 7.11%, buying the median Johnston City home of $88,100 with 20% down costs about $646 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $793, 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 $27,682 for the 20%-down payment. That payment is 18% of the median Johnston City household income of $42,465; at that income and 20% down, the 28% guideline points to a home of about $135,000.

The median rent here is $976 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$17,620
Loan amount$70,480
Principal and interest$474
Property taxes (1.84% a year)$135
Homeowners insurance (our estimate, 0.5% a year)$37
PMI$0
Total per month$646

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3.5% down, 30-year FHA loan
Down payment$3,084
Loan amount$86,504
Principal and interest$582
Property taxes (1.84% a year)$135
Homeowners insurance (our estimate, 0.5% a year)$37
FHA mortgage insurance$39
Total per month$793

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Questions about home buying in Johnston City

What is the median home value in Johnston City?

About $88,100 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Johnston City?

Homeowners pay a median $1,620 a year, which is about 1.84% 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 Johnston City?

For the median home with 20% down at 7.11%, the payment is about $646 a month. Keeping that under 28% of gross income takes about $27,682 a year.

More about Johnston City

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