ZIP Code 19731 — Port Penn CDP, DE Demographics & Data

ZIP code 19731 covers Port Penn, DE in New Castle County with a population of about 630.

At a glance, the area shows median age of 67.2 versus a U.S. median of about 38.9.

It sits in telephone area code 302; U.S. House district DE-00; the PHILADELPHIA media market.

Port Penn, DE fits a retirement-oriented profile (high share of residents 65+ (62.2%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

Median household income in ZIP 19731 is about $68,832 — about 8% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 2.4%; unemployment rate near 0.0%.

Labor and commute patterns include leading industry context around Arts and entertainment, Administrative support, and Retail trade; a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $347,500 — about even with the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 91.5% (about 26.1 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 19731 in Port Penn, DE, a household would need roughly $96,000 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 $2,232. That is about 39% above the local median household income ($68,832), 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.

FEMA’s National Risk Index rates natural-hazard risk for Port Penn CDP, DE as Relatively High (composite score 95.3), which is among the highest nationally. The strongest component scores on US5 are flood (97.6) and hurricane (88.4). 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 Port Penn CDP, DE show little to no average snow and around 45.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 29 for ZIP 19731 (Port Penn CDP, DE) 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.