ZIP Code 06851 — Norwalk city, CT Demographics & Data

ZIP code 06851 covers Norwalk, CT in Fairfield County with a population of about 28,591.

At a glance, the area shows median age of 42.3 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.

Median household income in ZIP 06851 is about $106,978 — about 42% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.2%; unemployment rate near 4.7%; 44.0% of adults with a bachelor’s degree or higher (about 10.3 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Professional services; about 14.8% of workers reporting work-from-home (roughly in line with 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 $565,100 — about 62% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,810 (about 56% above the U.S. median rent ($1,163)), and owner-occupancy near 60.1% (about 5.3 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 06851 in Norwalk, CT, a household would need roughly $156,000 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 $3,630. That is about 46% above the local median household income ($106,978), 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 Norwalk city, CT show little to no average snow and around 51.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,578 for ZIP 06851 (Norwalk city, 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.