ZIP Code 11947 — Jamesport CDP, NY Demographics & Data

ZIP code 11947 covers Jamesport, NY in Suffolk County with a population of about 248.

At a glance, the area shows median age of 51.4 versus a U.S. median of about 38.9.

It sits in telephone area codes 631, 934; U.S. House district NY-1; the NEW YORK media market.

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 14.4% of adults with a bachelor’s degree or higher (about 19.3 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Construction, and Transportation; a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 69.0% (about 3.6 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Jamesport 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 Jamesport CDP, NY show little to no average snow and around 45.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 11 for ZIP 11947 (Jamesport 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.