Dundalk, MD vs Gaithersburg, MD

The cost of living difference between Dundalk, MD and Gaithersburg, MD is dramatic. Dundalk is 31.4% cheaper than Gaithersburg, a gap that translates to thousands of dollars per year in household expenses. Dundalk has a cost index of 95 while Gaithersburg sits at 139, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Dundalk is $1,412/month compared to $2,008/month in Gaithersburg — a 30% difference. Home values follow the same pattern: Dundalk is more affordable at $199,600 median vs $484,500.

Median household income in Dundalk is $62,349 compared to $107,496 in Gaithersburg (-42%). While Gaithersburg is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Dundalk spend roughly 27.2% of their income on rent, more than the 22.4% in Gaithersburg.

Climate-wise, Dundalk is notably warmer with an average of 59.1°F compared to 55.7°F in Gaithersburg. Dundalk receives more rainfall at 43.7" per year compared to 43.2" in Gaithersburg.