Boundary Atlas

ZIP code 22031: Merrifield, VA

ZIP code 22031 is in Merrifield (35% of residents), Oakton (25%), Mantua (21%), Fairfax (12%) and Woodburn (6.5%), in Fairfax County (88%) and Fairfax city (12%), Virginia. It is in Virginia's 11th congressional district. Its state senate districts are State Senate District 37 (72%) and State Senate District 35 (28%); its state house districts are House of Delegates District 12 (58%), House of Delegates District 11 (37%), House of Delegates District 14 (4.8%) and House of Delegates District 15 (0.1%).

35,256residents (2020 Census)
7.1 sq miland area
8cities and towns
1congressional district
17voting precincts

See it on the mapAll of Virginia

City and county

City or townShare of ZIP residents
Merrifield35%
Oakton25%
Mantua21%
Fairfax12%
Woodburn6.5%
Long Branch0.1%
Wakefield0.1%
Vienna<0.1%

CountyShare of ZIP residents
Fairfax County88%
Fairfax city12%

Town or county subdivisionShare of ZIP residents
Providence district86%
Fairfax city12%
Mason district2.3%
Braddock district0.3%
Hunter Mill district<0.1%

Congressional district

Congressional districtShare of ZIP residents
Virginia's 11th congressional district (VA-11)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (VA-11)James R. Walkinshaw (D)202-225-1492100%
U.S. SenatorMark R. Warner (D)202-224-2023 · contact formstatewide
U.S. SenatorTim Kaine (D)202-224-4024 · contact formstatewide
State Senator (State Senate District 37)Saddam Salim (Democratic)72%
State Senator (State Senate District 35)Dave Marsden (Democratic)28%
Delegate (State House District 12)Holly Seibold (Democratic)58%
Delegate (State House District 11)Gretchen Bulova (Democratic)37%
Delegate (State House District 14)Vivian Watts (Democratic)703-978-29894.8%
Delegate (State House District 15)Laura Jane Cohen (Democratic)0.1%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3772%
State Senate District 3528%

State house districtShare of ZIP residents
House of Delegates District 1258%
House of Delegates District 1137%
House of Delegates District 144.8%
House of Delegates District 150.1%

Voting precincts

17 voting precincts overlap ZIP 22031. Map them, with each precinct's share of the ZIP's residents.

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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:

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ZIP 22031 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.