Mortgage Rates in Potomac, Maryland — March 2026
Updated March 2026 | Based on Potomac market data and regional lending conditions
Potomac is a growing city in Maryland with a population of 46,256. The current 30-year fixed mortgage rate in Potomac is 6.62%, which is 0.03% below the national average. With a median home price of $342,000 and a 20% down payment of $68,400, homebuyers can expect a monthly principal and interest payment of approximately $1,751.
Current Mortgage Rates in Potomac, MD
Below are the current average mortgage rates available in the Potomac 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 | 6.62% | 6.65% | -0.03% |
| 15-Year Fixed | 5.89% | 5.89% | 0% |
| 5/1 ARM | 6.17% | 6.15% | +0.02% |
| FHA | 6.44% | 6.25% | +0.19% |
| VA | 6.19% | 6.05% | +0.14% |
| Jumbo | 6.87% | 6.85% | +0.02% |
Potomac Housing Market Overview
The Potomac housing market reflects moderate demand with prices near the national average. The median household income in Potomac is $81,700, and the cost of living index is 110.3 (national average = 100). Based on the 28% affordability rule, you would need an income of approximately $88,500 to comfortably afford the median-priced home in Potomac, which exceeds the current median household income.
Monthly Payment Breakdown for Potomac
Based on the median home price of $342,000 with 20% down ($68,400), here is what you can expect to pay monthly in Potomac:
15-Year vs. 30-Year Mortgage in Potomac
Choosing a 15-year mortgage in Potomac at 5.89% instead of a 30-year at 6.62% would save you $217,620 in total interest over the life of the loan. However, your monthly payment would be $2,293 instead of $1,751 — an increase of $542 per month.
Calculate Your Potomac 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 Potomac
What are the current mortgage rates in Potomac, MD?
As of March 2026, the average 30-year fixed mortgage rate in Potomac, Maryland is 6.62%, while the 15-year fixed rate is 5.89%. FHA loans average 6.44% and VA loans 6.19%. These rates are 0.03% below the national average of 6.65%.
How much is a monthly mortgage payment in Potomac?
Based on the median home price of $342,000 with 20% down, the estimated monthly mortgage payment in Potomac is $1,751 for principal and interest. Including property taxes of $314/month, the total monthly housing cost is approximately $2,065.
What income do I need to buy a home in Potomac?
Using the 28% rule, you would need an annual income of approximately $88,500 to afford the median-priced home in Potomac at $342,000. The median household income in Potomac is $81,700. This means most households would need to either earn above the median or consider homes below $342,000.
Is Potomac a good place to buy a home in 2026?
Potomac has a moderate cost of living with a cost of living index of 110.3 (national average = 100). The property tax rate in Maryland is 1.1%, which is near the national average. Potomac has a population of 46,256 and offers a balanced lifestyle.
Mortgage Rates in Other Maryland Cities
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Last updated: March 2026. Rates are approximate averages based on regional lending data for the Potomac, Maryland area. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.