Johnson County, Iowa home prices
Typical home $309,187 · +2.8% in a year · property tax 1.52%
The typical home in Johnson County is worth $309,187, 31% more than the Iowa typical home ($236,623). Values changed +2.8% in the past year and +23.3% over five years. Homeowners here pay a median 1.52% of their home's value in property tax each year ($4,690 on the typical home), versus 1.27% statewide.
Mortgage on the typical Johnson County home
| Down payment | Cash down | Loan | Principal + interest | PMI / MIP | Tax + insurance | Total / month | Income needed |
|---|---|---|---|---|---|---|---|
| 20% down | $61,837 | $247,350 | $1,664 | $0 | $545 | $2,209 | $94,700 |
| 10% down | $30,919 | $278,269 | $1,872 | $116 | $545 | $2,533 | $108,600 |
| 5% down | $15,459 | $293,728 | $1,976 | $122 | $545 | $2,644 | $113,300 |
| 3.5% down (FHA) | $10,822 | $303,587 | $2,042 | $137 | $545 | $2,724 | $116,800 |
Assumes a 30-year fixed loan at 7.11%, property tax of 1.52% of the home value a year, homeowners insurance of 0.6% a year, PMI of 0.5% of the loan a year when the down payment is under 20%, and FHA mortgage insurance of 0.55% a year plus a 1.75% upfront premium added to the loan. Your rate, taxes and insurance will differ.
What it takes: see what you can afford by salary in Iowa · part of the Iowa City metro area.
Iowa counties with similar prices
| County | Typical home | 1-yr change | Tax rate |
|---|---|---|---|
| Sioux County | $308,457 | +3.6% | 1.12% |
| Winneshiek County | $315,887 | +3.5% | 1.12% |
| Warren County | $323,570 | +1.9% | 1.43% |
| Plymouth County | $292,290 | +5.5% | 1.07% |
| Story County | $292,064 | +2.7% | 1.4% |
| Clayton County | $287,556 | +13.2% | 1.29% |
| Madison County | $333,666 | +1.7% | 1.48% |
| Benton County | $282,938 | +9.5% | 1.31% |
| Mills County | $280,495 | +3.2% | 1.47% |
| Polk County | $279,097 | +0.2% | 1.68% |
Frequently asked questions
What is the average home price in Johnson County, IA?
The typical home value in Johnson County is $309,187 (Zillow Home Value Index, September 2026).
How much do you need to earn to buy a house in Johnson County?
About $94,700 a year for the typical home with 20% down at a 7.11% 30-year rate.
What is the property tax rate in Johnson County?
The median effective rate is 1.52% of home value a year (Census ACS 2024 5-year estimates).