ZIP Code 11730

Households in the Stony Brook area covered by ZIP code 11730 report a median income of $145,652, with per-capita earnings of $62,048. Homes here carry a median value of $594,200, and the county-level property tax rate of 1.73% applies against that figure, a meaningful line in any annual budget. Adding the 8.75% combined sales tax means everyday purchases also draw on that income. Even so, the earnings base is strong enough that many households can absorb both taxes while still covering housing and daily costs.