Average mortgage payment in Johnson County, IN (2026)
The average mortgage payment in Johnson County on a median-priced home (~$225,000) is roughly $1,841/month — assuming 10% down at a 6.85% 30-year fixed rate and Indiana's 0.85% effective property tax rate (full PITI).
To carry that payment under the standard 28% front-end DTI rule, you'd need an annual household income near $78,912. County population is roughly 161,765.
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How Johnson County compares to Indiana
The typical home in Johnson County is 4% below the statewide median of $235,000 in Indiana. Property tax is set at the state's effective rate of 0.85% — local millage and special assessments vary by county, but this is the right starting point.
The payment above bakes in principal, interest, property tax, and homeowners insurance — it does not include HOA dues or mortgage insurance (PMI). PMI kicks in automatically when down payment is below 20% on a conventional loan. For a full breakdown, run your own numbers in the main calculator.
Frequently asked questions
What is the average mortgage payment in Johnson County?+
On a median Johnson County home (~$225,000) at a 6.85% 30-year fixed rate with 10% down, all-in PITI runs about $1,841/month, including ~$159 in property tax.
What income do I need to buy a home in Johnson County?+
Using the 28% front-end DTI rule, you'd need roughly $78,912 in annual gross household income to comfortably carry the median Johnson County home.
How does Johnson County compare to the rest of Indiana?+
Johnson County's median home ($225,000) is 4% below the Indiana median of $235,000.
Does this include HOA fees or PMI?+
No. HOA dues vary too widely to assume a default — add them directly to the payment. PMI applies when you put less than 20% down on a conventional loan; the main calculator factors it in automatically.