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Martinsville CDP, NJ

ZIP Code 08836 — Martinsville CDP, NJ Demographics & Data

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

Wealthy AreaLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
4,326
Median Income
$237,935
+217% vs US avg
Home Value
$786,500
+126% vs US avg
Median Rent
N/A
Median Age
38.5 yrs
-1% vs US avg
Area Code
Congress
Top Ancestry
ItalianIrishGerman
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Location
Coordinates
40.5964, -74.5573
Elevation
134 ft
Land Area
4.7 sq mi
Water Area
0.0 sq mi (1% water)

At a glance

Population
4,326
Density
N/A
Median income
$237,935
+217% vs US avg
Home value
$786,500
+126% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 08836

Tech hubTech / corporate campus area
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What to know about ZIP 08836

ZIP code 08836 covers Martinsville, NJ in Somerset County with a population of about 4,326.

At a glance, the area shows median age of 38.5 (near the U.S. median).

It sits in telephone area codes 732, 848; U.S. House district NJ-7; the NEW YORK media market.

Local search focus: Tech hub

Martinsville, NJ 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 Martinsville, NJ

Median household income in ZIP 08836 is about $237,935 — about 217% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 1.2%; unemployment rate near 3.5%; 74.6% of adults with a bachelor’s degree or higher (about 40.9 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Professional services, Manufacturing, and Education; about 24.2% of workers reporting work-from-home (about 9.0 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 08836

Median home value is about $786,500 — about 126% above the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 99.3% (about 33.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 08836 in Martinsville, NJ, a household would need roughly $217,000 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 $5,052. That is roughly in line with the local median household income ($237,935). 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 Martinsville CDP, NJ as Relatively Moderate (composite score 90.9), which is among the highest nationally. The strongest component scores on US5 are flood (95.0) and hurricane (83.5). 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 Martinsville CDP, NJ show little to no average snow and around 46.7 inches of annual precipitation.

IRS migration statistics show a net inflow of about 278 for ZIP 08836 (Martinsville 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.

Nearby (from this ZIP)

Airport MMU (15.9 miles (25.5 km)) · American Institute-Somerset (3.2 miles (5.2 km)) · Morristown National Historical Park (11.7 miles (18.9 km)) · VA: Piscataway CBOC (5.2 miles (8.4 km))

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