Mortgage Rates in DeKalb, Illinois — March 2026
Updated March 2026 | Based on DeKalb market data and regional lending conditions
DeKalb is a growing city in Illinois with a population of 42,849. The current 30-year fixed mortgage rate in DeKalb is 6.77%, which is 0.12% above the national average. With a median home price of $224,000 and a 20% down payment of $44,800, homebuyers can expect a monthly principal and interest payment of approximately $1,165.
Current Mortgage Rates in DeKalb, IL
Below are the current average mortgage rates available in the DeKalb 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 | 6.77% | 6.65% | +0.12% |
| 15-Year Fixed | 6.01% | 5.89% | +0.12% |
| 5/1 ARM | 6.26% | 6.15% | +0.11% |
| FHA | 6.51% | 6.25% | +0.26% |
| VA | 6.26% | 6.05% | +0.21% |
| Jumbo | 7.02% | 6.85% | +0.17% |
DeKalb Housing Market Overview
The DeKalb housing market offers relatively affordable housing compared to many major cities. The median household income in DeKalb is $63,200, and the cost of living index is 94.6 (national average = 100). Based on the 28% affordability rule, you would need an income of approximately $67,286 to comfortably afford the median-priced home in DeKalb, which exceeds the current median household income.
Monthly Payment Breakdown for DeKalb
Based on the median home price of $224,000 with 20% down ($44,800), here is what you can expect to pay monthly in DeKalb:
15-Year vs. 30-Year Mortgage in DeKalb
Choosing a 15-year mortgage in DeKalb at 6.01% instead of a 30-year at 6.77% would save you $147,060 in total interest over the life of the loan. However, your monthly payment would be $1,513 instead of $1,165 — an increase of $348 per month.
Calculate Your DeKalb 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 DeKalb
What are the current mortgage rates in DeKalb, IL?
As of March 2026, the average 30-year fixed mortgage rate in DeKalb, Illinois is 6.77%, while the 15-year fixed rate is 6.01%. FHA loans average 6.51% and VA loans 6.26%. These rates are 0.12% above the national average of 6.65%.
How much is a monthly mortgage payment in DeKalb?
Based on the median home price of $224,000 with 20% down, the estimated monthly mortgage payment in DeKalb is $1,165 for principal and interest. Including property taxes of $405/month, the total monthly housing cost is approximately $1,570.
What income do I need to buy a home in DeKalb?
Using the 28% rule, you would need an annual income of approximately $67,286 to afford the median-priced home in DeKalb at $224,000. The median household income in DeKalb is $63,200. This means most households would need to either earn above the median or consider homes below $224,000.
Is DeKalb a good place to buy a home in 2026?
DeKalb offers a below-average cost of living with a cost of living index of 94.6 (national average = 100). The property tax rate in Illinois is 2.17%, which is above the national average. DeKalb has a population of 42,849 and offers a very affordable lifestyle.
Mortgage Rates in Other Illinois Cities
Related Tools & Guides
Last updated: March 2026. Rates are approximate averages based on regional lending data for the DeKalb, Illinois area. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.