What to know about ZIP 11717
ZIP code 11717 covers Brentwood, NY in Suffolk County with a population of about 5.
It sits in telephone area codes 631, 934; U.S. House district NY-2; the NEW YORK media market.
Source: U.S. Census Bureau ACS 2018–2022 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 11717 covers Brentwood, NY in Suffolk County with a population of about 5.
It sits in telephone area codes 631, 934; U.S. House district NY-2; the NEW YORK media market.
Median household income in ZIP 11717 is about $106 — about 100% below the U.S. median ($75,149).
On socioeconomic markers, US5 shows a poverty rate of 7.5%; unemployment rate near 5.7%; 17.5% of adults with a bachelor’s degree or higher (about 16.2 points below the national share (33.7%)).
Labor and commute patterns include leading industry context around Healthcare, Administrative support, and Manufacturing; about 11.7% of workers reporting work-from-home (about 3.5 points below the U.S. share (15.2%)); a mean commute of about 2.2 minutes (U.S. average near 26.8).
Median home value is about $394 — about 100% below the U.S. median home value ($348,079).
Housing tenure and rents show median gross rent around $1 (about 100% below the U.S. median rent ($1,163)), and owner-occupancy near 63.4% (about 2.1 points below the national owner-occupancy rate (65.4%)).
To comfortably buy a median-priced home in ZIP 11717 in Brentwood, NY, a household would need roughly $0 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 $3. That sits below the local median household income ($106), suggesting the typical household income is closer to a workable buy-in level under these assumptions. 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 Brentwood 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 Brentwood CDP, NY show little to no average snow and around 46.0 inches of annual precipitation.
IRS migration statistics for ZIP 11717 (Brentwood CDP, NY) are roughly balanced (near-zero net) on US5’s published series.
Airport ISP (7.9 miles (12.7 km)) · Five Towns College (6.2 miles (9.9 km)) · Fire Island National Seashore (14.5 miles (23.4 km)) · VA: Bay Shore Clinic (4.2 miles (6.7 km))
Full lists and map pins are in the Infrastructure section below.