ZIP Code 03874 — Seabrook Beach CDP, NH Demographics & Data

ZIP code 03874 covers Seabrook Beach, NH in Rockingham County with a population of about 8,613.

At a glance, the area shows median age of 53.4 versus a U.S. median of about 38.9.

It sits in telephone area code 603; U.S. House district NH-1; the BOSTON (MANCHESTER) media market.

Seabrook Beach, NH matches a tourism / travel destination profile (tourism/destination place names). Search demand here often clusters around weather, landmarks, short stays, and local services — the live 7-day forecast on this page is especially useful for trip planning.

Median household income in ZIP 03874 is about $87,000 — about 16% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 11.2%; unemployment rate near 9.2%; 26.0% of adults with a bachelor’s degree or higher (about 7.7 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Retail trade, and Healthcare; about 7.9% of workers reporting work-from-home (about 7.3 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 $435,100 — about 25% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,311 (about 13% above the U.S. median rent ($1,163)), and owner-occupancy near 71.1% (about 5.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 03874 in Seabrook Beach, NH, a household would need roughly $120,000 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 $2,795. That is about 38% above the local median household income ($87,000), 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 Seabrook Beach CDP, NH as Relatively Moderate (composite score 85.8), which is elevated versus much of the country. The strongest component scores on US5 are flood (89.1) and hurricane (83.8). 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 Seabrook Beach CDP, NH show little to no average snow and around 50.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 404 for ZIP 03874 (Seabrook Beach CDP, NH) 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.