ZIP Code 11739 — Great River CDP, NY Demographics & Data

ZIP code 11739 covers Great River, NY in Suffolk County with a population of about 1,191.

At a glance, the area shows median age of 52.7 versus a U.S. median of about 38.9.

It sits in telephone area codes 631, 934; U.S. House district NY-2; the NEW YORK media market.

Median household income in ZIP 11739 is about $133,393 — about 78% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.4%; unemployment rate near 5.6%; 59.3% of adults with a bachelor’s degree or higher (about 25.6 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Professional services, Education, and Finance and insurance; about 11.2% of workers reporting work-from-home (about 4.0 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $840,400 — about 141% above the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 95.9% (about 30.5 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 11739 in Great River, NY, a household would need roughly $231,000 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 $5,399. That is about 73% above the local median household income ($133,393), 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.

FEMA’s National Risk Index rates natural-hazard risk for Great River CDP, NY as Relatively High (composite score 97.3), which is among the highest nationally. The strongest component scores on US5 are flood (98.3) and hurricane (96.8). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Great River CDP, NY show little to no average snow and around 49.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 51 for ZIP 11739 (Great River CDP, NY) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.