Port Jefferson, NY vs Rotterdam, NY

The cost of living difference between Port Jefferson, NY and Rotterdam, NY is dramatic. Rotterdam is 81.4% cheaper than Port Jefferson, a gap that translates to thousands of dollars per year in household expenses. Port Jefferson has a cost index of 159 while Rotterdam sits at 88, 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 Port Jefferson is $2,254/month compared to $1,212/month in Rotterdam — a 86% difference. Home values follow the same pattern: Rotterdam is more affordable at $203,700 median vs $628,500.

Median household income in Port Jefferson is $143,125 compared to $81,830 in Rotterdam (+74.9%). The higher salaries in Port Jefferson partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Port Jefferson spend roughly 18.9% of their income on rent, more than the 17.8% in Rotterdam.

Climate-wise, Port Jefferson is notably warmer with an average of 53.1°F compared to 49.4°F in Rotterdam. Port Jefferson receives more rainfall at 46" per year compared to 40.7" in Rotterdam.