ZIP code 21048 is in Carroll County, Maryland, outside any city or Census-designated place. It is in Maryland's 2nd congressional district. Its state senate districts are State Senate District 42 (92%) and State Senate District 5 (7.5%); its state house districts are State Legislative Subdistrict 42C (92%) and State Legislative District 5 (7.5%).
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).
8 voting precincts overlap ZIP 21048.
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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:21048")
ZIP 21048 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.