ZIP Code 20170 — Herndon town, VA Demographics & Data

ZIP code 20170 covers Herndon, VA in Fairfax County with a population of about 43,372.

At a glance, the area shows median age of 35.9 versus a U.S. median of about 38.9.

It sits in telephone area codes 571, 703; U.S. House district VA-11; the WASHINGTON, DC (HAGRSTWN) media market.

Herndon, VA 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 20170 is about $157,875 — about 110% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.5%; unemployment rate near 3.6%; 56.6% of adults with a bachelor’s degree or higher (about 22.9 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Professional services, Retail trade, and Administrative support; about 22.0% of workers reporting work-from-home (about 6.8 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 $625,600 — about 80% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,988 (about 71% above the U.S. median rent ($1,163)), and owner-occupancy near 69.1% (about 3.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 20170 in Herndon, VA, a household would need roughly $172,000 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 $4,019. That is roughly in line with the local median household income ($157,875). 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 Herndon town, VA as Very Low (composite score 5.3), which is relatively lower than many U.S. communities. The strongest component scores on US5 are hurricane (62.2) and flood (13.5). 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 Herndon town, VA show little to no average snow and around 43.2 inches of annual precipitation.

IRS migration statistics show a net inflow of about 2,447 for ZIP 20170 (Herndon town, VA) 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.