ZIP Code 08550 — Princeton Junction CDP, NJ Demographics & Data

ZIP code 08550 covers Princeton Junction, NJ in Mercer County with a population of about 20,876.

At a glance, the area shows median age of 45.1 versus a U.S. median of about 38.9.

It sits in telephone area codes 609, 640; U.S. House district NJ-12; the PHILADELPHIA media market.

Princeton Junction, 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.

Median household income in ZIP 08550 is about $206,658 — about 175% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 2.5%; unemployment rate near 3.1%; 84.5% of adults with a bachelor’s degree or higher (about 50.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Professional services, Finance and insurance, and Education; about 40.8% of workers reporting work-from-home (about 25.6 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 $758,900 — about 118% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $2,590 (about 123% above the U.S. median rent ($1,163)), and owner-occupancy near 76.3% (about 10.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 08550 in Princeton Junction, NJ, a household would need roughly $209,000 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 $4,875. That is roughly in line with the local median household income ($206,658). 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 Princeton Junction CDP, NJ as Relatively High (composite score 95.4), which is among the highest nationally. The strongest component scores on US5 are flood (97.2) and hurricane (94.6). 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 Princeton Junction CDP, NJ show little to no average snow and around 47.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,344 for ZIP 08550 (Princeton Junction 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.