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, NH

ZIP Code 03870 — undefined, NH Demographics & Data

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

Upper Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
5,092
Median Income
$127,772
+70% vs US avg
Home Value
$927,600
+166% vs US avg
Median Rent
$1,201
+3% vs US avg
Median Age
53.5 yrs
+38% vs US avg
City
N/A
Area Code
Congress
Top Ancestry
IrishEnglishItalian
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Location
Coordinates
43.0087, -70.7583
Elevation
95 ft
Land Area
12.2 sq mi
Water Area
0.8 sq mi (6% water)

At a glance

Population
5,092
Density
N/A
Median income
$127,772
+70% vs US avg
Home value
$927,600
+166% vs US avg
Median rent
$1,201
+3% vs US avg
Timezone

Overview of ZIP Code 03870

Tech hubTech / corporate campus area
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What to know about ZIP 03870

ZIP code 03870 covers NH in Rockingham County with a population of about 5,092.

At a glance, the area shows median age of 53.5 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.

Local search focus: Tech hub

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.

Income and economy in NH

Median household income in ZIP 03870 is about $127,772 — about 70% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 6.8%; unemployment rate near 3.0%; 57.9% of adults with a bachelor’s degree or higher (about 24.2 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Retail trade, and Education; about 23.6% of workers reporting work-from-home (about 8.4 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 03870

Median home value is about $927,600 — about 166% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,201 (about 3% above the U.S. median rent ($1,163)), and owner-occupancy near 80.5% (about 15.1 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 03870 in NH, a household would need roughly $255,000 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 $5,959. That is about 100% above the local median household income ($127,772), 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 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 NH show little to no average snow and around 50.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 239 for ZIP 03870 (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.

Nearby (from this ZIP)

Airport PSM (5.8 miles (9.3 km)) · Great Bay Community College (4.8 miles (7.8 km)) · Salem Maritime National Historical Park (34.4 miles (55.3 km)) · VA: Portsmouth Outpatient Clinic (6.2 miles (9.9 km))

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