ZIP code 20110 is in Manassas (87% of residents), Buckhall (7.5%) and Loch Lomond (4.3%), in Manassas city (87%) and Prince William County (13%), Virginia. It is in Virginia's 10th congressional district. Its state senate districts are State Senate District 30 (92%) and State Senate District 29 (7.5%); its state house districts are House of Delegates District 20 (93%) and House of Delegates District 22 (6.9%).
Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).
State legislative districts
State senate district
Share of ZIP residents
State Senate District 30
92%
State Senate District 29
7.5%
State house district
Share of ZIP residents
House of Delegates District 20
93%
House of Delegates District 22
6.9%
House of Delegates District 21
land only
Voting precincts
12 voting precincts overlap ZIP 20110.
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:20110")
ZIP 20110 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.