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Peconic CDP, NY

ZIP Code 11958 — Peconic CDP, NY Demographics & Data

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

Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
864
Median Income
$64,263
-14% vs US avg
Home Value
$830,600
+139% vs US avg
Median Rent
$1,840
+58% vs US avg
Median Age
37.5 yrs
-4% vs US avg
Area Code
Congress
Top Ancestry
IrishPolishItalian
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Location
Coordinates
41.0391, -72.4644
Elevation
20 ft
Land Area
2.8 sq mi
Water Area
1.2 sq mi (30% water)

At a glance

Population
864
Density
N/A
Median income
$64,263
-14% vs US avg
Home value
$830,600
+139% vs US avg
Median rent
$1,840
+58% vs US avg
Timezone

Overview of ZIP Code 11958

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What to know about ZIP 11958

ZIP code 11958 covers Peconic, NY in Suffolk County with a population of about 864.

At a glance, the area shows median age of 37.5 (near the U.S. median).

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

Income and economy in Peconic, NY

Median household income in ZIP 11958 is about $64,263 — about 14% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 39.6% of adults with a bachelor’s degree or higher (about 5.9 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Professional services, and Information; about 31.9% of workers reporting work-from-home (about 16.7 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 11958

Median home value is about $830,600 — about 139% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,840 (about 58% above the U.S. median rent ($1,163)), and owner-occupancy near 71.0% (about 5.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 11958 in Peconic, NY, a household would need roughly $229,000 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 $5,336. That is about 256% above the local median household income ($64,263), 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 Peconic 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 Peconic 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 37 for ZIP 11958 (Peconic 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 (26.9 miles (43.3 km)) · Mitchell College (27.7 miles (44.6 km)) · Fire Island National Seashore (36.6 miles (59.0 km)) · VA: Riverhead Clinic (13.5 miles (21.7 km))

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