Potomac, MD vs Rockville, MD

There is a significant gap in the cost of living between these two cities. Rockville is 29.9% cheaper than Potomac. With a cost index of 160 vs 208, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Rockville to Potomac should plan for substantially higher expenses across most categories.

On the housing front, median rent in Potomac is $2,616/month compared to $2,244/month in Rockville — a 17% difference. Home values follow the same pattern: Rockville is more affordable at $658,300 median vs $1,105,900.

Median household income in Potomac is $239,205 compared to $122,384 in Rockville (+95.5%). While Potomac is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Potomac spend roughly 13.1% of their income on rent, less than the 22% in Rockville.

Climate-wise, both cities share similar average temperatures (59.3°F vs 59.3°F). Rockville receives more rainfall at 41.8" per year compared to 41.8" in Potomac.