Mortgage Rates in Johnston, Iowa — March 2026
Updated March 2026 | Based on Johnston market data and regional lending conditions
Johnston is a growing city in Iowa with a population of 23,353. The current 30-year fixed mortgage rate in Johnston is 6.74%, which is 0.09% above the national average. With a median home price of $178,000 and a 20% down payment of $35,600, homebuyers can expect a monthly principal and interest payment of approximately $923.
Current Mortgage Rates in Johnston, IA
Below are the current average mortgage rates available in the Johnston area as of March 2026. Rates vary by lender, credit score, and loan-to-value ratio. Use our free calculator above to see your personalized estimate.
| Loan Type | Rate | National Avg | Difference |
|---|---|---|---|
| 30-Year Fixed | 6.74% | 6.65% | +0.09% |
| 15-Year Fixed | 5.98% | 5.89% | +0.09% |
| 5/1 ARM | 6.24% | 6.15% | +0.09% |
| FHA | 6.5% | 6.25% | +0.25% |
| VA | 6.25% | 6.05% | +0.2% |
| Jumbo | 6.99% | 6.85% | +0.14% |
Johnston Housing Market Overview
The Johnston housing market offers relatively affordable housing compared to many major cities. The median household income in Johnston is $61,500, and the cost of living index is 84.3 (national average = 100). Based on the 28% affordability rule, the median income in Johnston is sufficient to afford the median-priced home.
Monthly Payment Breakdown for Johnston
Based on the median home price of $178,000 with 20% down ($35,600), here is what you can expect to pay monthly in Johnston:
15-Year vs. 30-Year Mortgage in Johnston
Choosing a 15-year mortgage in Johnston at 5.98% instead of a 30-year at 6.74% would save you $116,280 in total interest over the life of the loan. However, your monthly payment would be $1,200 instead of $923 — an increase of $277 per month.
Calculate Your Johnston Mortgage Payment
Use our free calculator to get a personalized estimate based on your loan amount, interest rate, and term.
Open Free CalculatorFrequently Asked Questions About Mortgages in Johnston
What are the current mortgage rates in Johnston, IA?
As of March 2026, the average 30-year fixed mortgage rate in Johnston, Iowa is 6.74%, while the 15-year fixed rate is 5.98%. FHA loans average 6.5% and VA loans 6.25%. These rates are 0.09% above the national average of 6.65%.
How much is a monthly mortgage payment in Johnston?
Based on the median home price of $178,000 with 20% down, the estimated monthly mortgage payment in Johnston is $923 for principal and interest. Including property taxes of $242/month, the total monthly housing cost is approximately $1,165.
What income do I need to buy a home in Johnston?
Using the 28% rule, you would need an annual income of approximately $49,929 to afford the median-priced home in Johnston at $178,000. The median household income in Johnston is $61,500. The median income is currently sufficient to meet this threshold.
Is Johnston a good place to buy a home in 2026?
Johnston offers a below-average cost of living with a cost of living index of 84.3 (national average = 100). The property tax rate in Iowa is 1.63%, which is above the national average. Johnston has a population of 23,353 and offers a very affordable lifestyle.
Mortgage Rates in Other Iowa Cities
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Last updated: March 2026. Rates are approximate averages based on regional lending data for the Johnston, Iowa area. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.