Arnold, MD vs Dundalk, MD

The cost of living difference between Arnold, MD and Dundalk, MD is dramatic. Dundalk is 54.3% cheaper than Arnold, a gap that translates to thousands of dollars per year in household expenses. Arnold has a cost index of 147 while Dundalk sits at 95, 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 Arnold is $2,177/month compared to $1,412/month in Dundalk — a 54% difference. Home values follow the same pattern: Dundalk is more affordable at $199,600 median vs $547,800.

Median household income in Arnold is $137,799 compared to $62,349 in Dundalk (+121%). While Arnold is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Arnold spend roughly 19% of their income on rent, less than the 27.2% in Dundalk.

Climate-wise, both cities share similar average temperatures (57.7°F vs 59.1°F). Arnold receives more rainfall at 44" per year compared to 43.7" in Dundalk.