ZIP Code 20109 — Sudley CDP, VA Demographics & Data

ZIP code 20109 covers Sudley, VA in Prince William County with a population of about 44,161.

At a glance, the area shows median age of 33.6 versus a U.S. median of about 38.9.

It sits in telephone area codes 571, 703; U.S. House district VA-10; the WASHINGTON, DC (HAGRSTWN) media market.

Sudley, VA sits in a university / college context (near aviation institute of maintenance-manassas (0.9 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 20109 is about $88,966 — about 18% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 11.0%; unemployment rate near 4.1%; 35.1% of adults with a bachelor’s degree or higher (about 1.4 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Construction, Retail trade, and Healthcare; about 11.0% of workers reporting work-from-home (about 4.2 points below 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 $411,700 — about 18% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,792 (about 54% above the U.S. median rent ($1,163)), and owner-occupancy near 45.1% (about 20.3 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 20109 in Sudley, VA, a household would need roughly $113,000 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 $2,645. That is about 27% above the local median household income ($88,966), 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.

FEMA’s National Risk Index rates natural-hazard risk for Sudley CDP, VA as Relatively Moderate (composite score 83.2), which is elevated versus much of the country. The strongest component scores on US5 are flood (88.0) and hurricane (83.0). 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 Sudley CDP, VA show little to no average snow.

IRS migration statistics show a net inflow of about 2,492 for ZIP 20109 (Sudley CDP, 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.