Boundary Atlas

District of Columbia's at-large congressional district (DC-AL)

District of Columbia's at-large congressional district (DC-AL) lies within District of Columbia, and 57 ZIP codes (57 wholly inside it). Its 2020 population was 689,545. It elects a non-voting delegate. This is the map in force for the November 3, 2026 election.

689,545residents (2020 Census)
1counties
57ZIP codes
144voting precincts

Who represents DC-AL

OfficeMemberContact
Delegate to the U.S. House (DC-AL)Eleanor Holmes Norton (D)202-225-8050

Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).

Counties

CountyShare of the county's residents in DC-AL
District of Columbia100%

ZIP codes

Percentages mark ZIPs only partly in DC-AL: the share of that ZIP's residents inside it.

Towns

Washington city.

Get this in your AI agent

Your agent can draw every precinct in DC-AL, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

get_boundaries(id="us:congressional_district:1198", children_level="precinct", include_districts=True)