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Wyandanch CDP, NY

ZIP Code 11798 — Wyandanch CDP, NY Demographics & Data

Source: U.S. Census Bureau ACS 2018–2022 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
1,044
Median Income
$48,756
-35% vs US avg
Home Value
$211,892
-39% vs US avg
Median Rent
N/A
Median Age
17.0 yrs
-56% vs US avg
Area Code
Congress
Top Ancestry
ItalianJamaicanAmerican
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Location
Coordinates
40.7526, -73.3784
Elevation
81 ft
Land Area
4.8 sq mi
Water Area
0.0 sq mi (0% water)

At a glance

Population
1,044
Density
N/A
Median income
$48,756
-35% vs US avg
Home value
$211,892
-39% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 11798

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What to know about ZIP 11798

ZIP code 11798 covers Wyandanch, NY in Suffolk County with a population of about 1,044.

At a glance, the area shows median age of 17.0 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.

Income and economy in Wyandanch, NY

Median household income in ZIP 11798 is about $48,756 — about 35% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.3%; unemployment rate near 4.5%; 37.8% of adults with a bachelor’s degree or higher (about 4.1 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Education; about 13.6% of workers reporting work-from-home (about 1.6 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 11798

Median home value is about $211,892 — about 39% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 85.9% (about 20.5 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 11798 in Wyandanch, NY, a household would need roughly $58,000 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 $1,361. That is about 19% above the local median household income ($48,756), 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.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Wyandanch 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 Wyandanch CDP, NY show little to no average snow and around 38.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 45 for ZIP 11798 (Wyandanch 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.

Nearby (from this ZIP)

Airport FRG (2.5 miles (4.0 km)) · Farmingdale State College (2.6 miles (4.2 km)) · Sagamore Hill National Historic Site (11.1 miles (17.8 km)) · VA: Long Island National Cemetery (1.3 miles (2.0 km))

Full lists and map pins are in the Infrastructure section below.