ZIP Code 08230 — Seaville CDP, NJ Demographics & Data

ZIP code 08230 covers Seaville, NJ in Cape May County with a population of about 5,998.

At a glance, the area shows median age of 45.2 versus a U.S. median of about 38.9.

It sits in telephone area codes 609, 640; U.S. House district NJ-2; the PHILADELPHIA media market.

Median household income in ZIP 08230 is about $110,667 — about 47% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 2.1%; unemployment rate near 1.9%; 44.1% of adults with a bachelor’s degree or higher (about 10.4 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Education, and Finance and insurance; about 10.4% of workers reporting work-from-home (about 4.8 points below 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 $406,900 — about 17% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,424 (about 22% above the U.S. median rent ($1,163)), and owner-occupancy near 95.6% (about 30.2 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 08230 in Seaville, NJ, a household would need roughly $112,000 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 $2,614. That is roughly in line with the local median household income ($110,667). 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 Seaville CDP, NJ as Relatively Moderate (composite score 91.0), which is among the highest nationally. The strongest component scores on US5 are hurricane (93.1) and flood (89.7). 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 Seaville CDP, NJ show little to no average snow.

IRS migration statistics show a net inflow of about 386 for ZIP 08230 (Seaville CDP, NJ) 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.