ZIP Code 11721 — Centerport CDP, NY Demographics & Data

ZIP code 11721 covers Centerport, NY in Suffolk County with a population of about 6,620.

At a glance, the area shows median age of 49.6 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.

Centerport, NY sits in a university / college context (near western suffolk boces (2.3 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 11721 is about $206,250 — about 174% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.5%; unemployment rate near 6.9%; 72.1% of adults with a bachelor’s degree or higher (about 38.4 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Education, and Professional services; about 15.7% of workers reporting work-from-home (roughly in line with 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 $704,900 — about 103% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $3,220 (about 177% above the U.S. median rent ($1,163)), and owner-occupancy near 96.0% (about 30.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 11721 in Centerport, NY, a household would need roughly $194,000 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 $4,528. That is roughly in line with the local median household income ($206,250). 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 Centerport 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 Centerport CDP, NY show little to no average snow and around 48.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 286 for ZIP 11721 (Centerport 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.