ZIP Code 03031 — Amherst CDP, NH Demographics & Data

ZIP code 03031 covers Amherst, NH in Hillsborough County with a population of about 11,873.

At a glance, the area shows median age of 45.9 versus a U.S. median of about 38.9.

It sits in telephone area code 603; U.S. House district NH-2; the BOSTON (MANCHESTER) media market.

Amherst, NH aligns with a tech / corporate-campus profile (high remote-work / education / income profile or known campus context). Broadband quality, remote-work share, and nearby employer campuses often matter as much as classic residential stats.

Median household income in ZIP 03031 is about $155,125 — about 106% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 4.6%; unemployment rate near 2.3%; 63.5% of adults with a bachelor’s degree or higher (about 29.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Professional services, Manufacturing, and Healthcare; about 29.1% of workers reporting work-from-home (about 13.9 points above 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 $491,400 — about 41% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,386 (about 19% above the U.S. median rent ($1,163)), and owner-occupancy near 91.0% (about 25.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 03031 in Amherst, NH, a household would need roughly $135,000 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 $3,157. That sits below the local median household income ($155,125), suggesting the typical household income is closer to a workable buy-in level under these assumptions. 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 Amherst CDP, NH as Relatively Moderate (composite score 89.8), which is elevated versus much of the country. The strongest component scores on US5 are flood (92.6) and hurricane (92.6). 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 Amherst CDP, NH show little to no average snow and around 46.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 557 for ZIP 03031 (Amherst 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.