Zip Code 22042 — Falls Church, VA
22042 is a ZIP Code associated with Falls Church, VA, located within Fairfax. 22042 ranks #9 out of 43 ZIP codes in Fairfax County by population (and #71 out of 903 in VA). The area supports an estimated population of 35,483 residents across Data Pending housing units, with a population density of 2,133.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (38.864630, -77.194060)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 22042 |
| Primary City | Falls Church |
| State / Province | VA |
| County | Fairfax |
| Total Population | 35,483 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 2,133.6 people/sq mi |
| Timezone | America/New_York |
How 22042 Compares
| Metric | ZIP 22042 | Fairfax County | VA State Average |
|---|
| Population | 35,483 | 1,173,352 (Total) | 8,705,380 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 2,133.6 /sq mi | -- | -- |
| County Pop Rank | #9 of 43 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →