ZIP code 22042: West Falls Church, VA
ZIP code 22042 is in West Falls Church (87% of residents), Merrifield (5.9%), Annandale (5.0%) and Falls Church (1.3%), in Fairfax County (99%) and Falls Church city (1.3%), Virginia. It is in Virginia's 8th congressional district (94%) and Virginia's 11th congressional district (5.9%). Its state senate districts are State Senate District 37 (95%) and State Senate District 35 (5.2%); its state house districts are House of Delegates District 13 (94%), House of Delegates District 14 (5.0%) and House of Delegates District 12 (0.7%).
See it on the mapAll of Virginia
City and county
| City or town | Share of ZIP residents |
|---|---|
| West Falls Church | 87% |
| Merrifield | 5.9% |
| Annandale | 5.0% |
| Falls Church | 1.3% |
| Idylwood | 0.9% |
| Lake Barcroft | 0.2% |
| County | Share of ZIP residents |
|---|---|
| Fairfax County | 99% |
| Falls Church city | 1.3% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Mason district | 59% |
| Providence district | 40% |
| Falls Church city | 1.3% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Virginia's 8th congressional district (VA-08) | 94% |
| Virginia's 11th congressional district (VA-11) | 5.9% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (VA-08) | Donald S. Beyer, Jr. (D) | 202-225-4376 | 94% |
| U.S. Representative (VA-11) | James R. Walkinshaw (D) | 202-225-1492 | 5.9% |
| U.S. Senator | Mark R. Warner (D) | 202-224-2023 · contact form | statewide |
| U.S. Senator | Tim Kaine (D) | 202-224-4024 · contact form | statewide |
| State Senator (State Senate District 37) | Saddam Salim (Democratic) | 95% | |
| State Senator (State Senate District 35) | Dave Marsden (Democratic) | 5.2% | |
| Delegate (State House District 13) | Marcus Simon (Democratic) | 94% | |
| Delegate (State House District 14) | Vivian Watts (Democratic) | 703-978-2989 | 5.0% |
| Delegate (State House District 12) | Holly Seibold (Democratic) | 0.7% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- West Falls Church laws: search for the West Falls Church, Virginia code of ordinances
- Merrifield laws: search for the Merrifield, Virginia code of ordinances
- Annandale website: http://www.annandale.va.us/
- Annandale laws: search for the Annandale, Virginia code of ordinances
- Fairfax County website: https://www.fairfaxcounty.gov/
- Fairfax County laws: search for the Fairfax County, Virginia code of ordinances
- Falls Church city website: https://www.fallschurchva.gov/
- Falls Church city laws: search for the Falls Church city, Virginia code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 37 | 95% |
| State Senate District 35 | 5.2% |
| State house district | Share of ZIP residents |
|---|---|
| House of Delegates District 13 | 94% |
| House of Delegates District 14 | 5.0% |
| House of Delegates District 12 | 0.7% |
Voting precincts
13 voting precincts overlap ZIP 22042. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:22042")
ZIP 22042 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.