ZIP Code 11787

ZIP code 11787, centered on Stony Brook, sits firmly in affluent territory. A median household income of $143,101 and per-capita income of $62,426 place it well above national norms, while a median home value of $679,800 reflects the steep cost of entry here. That price tag brings a county-level property tax rate of 1.73%, a substantial annual obligation on a home at that value. Add an 8.75% combined sales tax rate on everyday purchases, and the overall cost of living runs high. Households here generally have the earnings to absorb these costs, though the tax load is far from trivial.