ZIP Code 06830 — Greenwich CDP, CT Demographics & Data

ZIP code 06830 covers Greenwich, CT in Fairfield County with a population of about 24,919.

At a glance, the area shows median age of 43.7 versus a U.S. median of about 38.9.

It sits in telephone area codes 203, 475; U.S. House district CT-4; the NEW YORK media market.

Greenwich, CT ranks among higher-income / higher-home-value communities on US5 (very high median home values). Searchers often dig into housing affordability stretch, private schools, and neighborhood comparisons rather than entry-level rentals.

Median household income in ZIP 06830 is about $146,841 — about 95% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.4%; unemployment rate near 7.7%; 69.0% of adults with a bachelor’s degree or higher (about 35.3 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Finance and insurance, Professional services, and Education; about 19.6% of workers reporting work-from-home (about 4.4 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 $1,685,700 — about 384% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $2,084 (about 79% above the U.S. median rent ($1,163)), and owner-occupancy near 55.9% (about 9.5 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 06830 in Greenwich, CT, a household would need roughly $464,000 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 $10,828. That is about 216% above the local median household income ($146,841), 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 normals for Greenwich CDP, CT show little to no average snow and around 47.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,375 for ZIP 06830 (Greenwich CDP, CT) 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.