Median home value is about $730,800 — about 110% above the U.S. median home value ($348,079).
Housing tenure and rents show owner-occupancy near 84.6% (about 19.2 points above the national owner-occupancy rate (65.4%)).
To comfortably buy a median-priced home in ZIP 11770 in Fire Island, NY, a household would need roughly $201,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $4,694. That is about 99% above the local median household income ($101,250), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.