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North Sea CDP, NY

ZIP Code 11968 — North Sea CDP, NY Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
14,263
Median Income
$146,138
+94% vs US avg
Home Value
$1,171,100
+236% vs US avg
Median Rent
$1,909
+64% vs US avg
Median Age
51.9 yrs
+33% vs US avg
Area Code
Congress
Top Ancestry
IrishItalianEnglish
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Location
Coordinates
40.9059, -72.4157
Elevation
42 ft
Land Area
27.0 sq mi
Water Area
5.8 sq mi (18% water)

At a glance

Population
14,263
Density
N/A
Median income
$146,138
+94% vs US avg
Home value
$1,171,100
+236% vs US avg
Median rent
$1,909
+64% vs US avg
Timezone

Overview of ZIP Code 11968

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What to know about ZIP 11968

ZIP code 11968 covers North Sea, NY in Suffolk County with a population of about 14,263.

At a glance, the area shows median age of 51.9 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.

Income and economy in North Sea, NY

Median household income in ZIP 11968 is about $146,138 — about 94% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.3%; unemployment rate near 4.3%; 60.5% of adults with a bachelor’s degree or higher (about 26.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Professional services, and Education; about 20.8% of workers reporting work-from-home (about 5.6 points above 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 11968

Median home value is about $1,171,100 — about 236% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,909 (about 64% above the U.S. median rent ($1,163)), and owner-occupancy near 85.8% (about 20.4 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 11968 in North Sea, NY, a household would need roughly $322,000 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 $7,523. That is about 120% above the local median household income ($146,138), 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 North Sea 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 North Sea CDP, NY show little to no average snow and around 49.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 616 for ZIP 11968 (North Sea 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 HVN (34.8 miles (56.0 km)) · Mitchell College (33.6 miles (54.1 km)) · Fire Island National Seashore (33.8 miles (54.4 km)) · VA: Riverhead Clinic (13.0 miles (20.9 km))

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