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Mount Vernon CDP, VA

ZIP Code 22309 — Mount Vernon CDP, VA Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
34,948
Median Income
$101,556
+35% vs US avg
Home Value
$539,700
+55% vs US avg
Median Rent
$1,630
+40% vs US avg
Median Age
39.6 yrs
+2% vs US avg
Area Code
Congress
Top Ancestry
IrishGermanEnglish
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Location
Coordinates
38.7191, -77.1071
Elevation
190 ft
Land Area
7.5 sq mi
Water Area
0.8 sq mi (10% water)

At a glance

Population
34,948
Density
N/A
Median income
$101,556
+35% vs US avg
Home value
$539,700
+55% vs US avg
Median rent
$1,630
+40% vs US avg
Timezone

Overview of ZIP Code 22309

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What to know about ZIP 22309

ZIP code 22309 covers Mount Vernon, VA in Fairfax County with a population of about 34,948.

At a glance, the area shows median age of 39.6 (near the U.S. median).

It sits in telephone area codes 571, 703; U.S. House district VA-8; the WASHINGTON, DC (HAGRSTWN) media market.

Income and economy in Mount Vernon, VA

Median household income in ZIP 22309 is about $101,556 — about 35% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.5%; unemployment rate near 4.1%; 44.2% of adults with a bachelor’s degree or higher (about 10.5 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Professional services, Public administration, and Healthcare; about 16.2% of workers reporting work-from-home (about 1.0 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 22309

Median home value is about $539,700 — about 55% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,630 (about 40% above the U.S. median rent ($1,163)), and owner-occupancy near 63.3% (about 2.1 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 22309 in Mount Vernon, VA, a household would need roughly $149,000 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 $3,467. That is about 47% above the local median household income ($101,556), 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 risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Mount Vernon CDP, 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 Mount Vernon CDP, VA show little to no average snow and around 46.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,972 for ZIP 22309 (Mount Vernon 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.

Nearby (from this ZIP)

Airport DAA (4.0 miles (6.4 km)) · Washington University of Science and Technology (5.9 miles (9.4 km)) · Piscataway Park (2.8 miles (4.5 km)) · VA: Fort Belvoir Outpatient Clinic (2.3 miles (3.6 km))

Full lists and map pins are in the Infrastructure section below.