ZIP code 21287: Baltimore, MD
ZIP code 21287 is in Baltimore city, Maryland, outside any city or Census-designated place. It is in Maryland's 7th congressional district. Its state senate district is State Senate District 45; its state house district is State Legislative District 45.
See it on the mapAll of Maryland
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Baltimore city | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Baltimore city | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Maryland's 7th congressional district (MD-07) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MD-07) | Kweisi Mfume (D) | 202-225-4741 | 100% |
| U.S. Senator | Angela D. Alsobrooks (D) | 202-224-4524 · contact form | statewide |
| U.S. Senator | Chris Van Hollen (D) | 202-224-4654 · contact form | statewide |
| State Senator (State Senate District 45) | Cory McCray (Democratic) | 100% | |
| Delegate (State Legislative District 45) | Caylin Young (Democratic) | 100% | |
| Delegate (State Legislative District 45) | Jackie Addison (Democratic) | 100% | |
| Delegate (State Legislative District 45) | Stephanie Smith (Democratic) | 100% |
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
- Baltimore city website: https://www.baltimorecity.gov/
- Baltimore city laws: search for the Baltimore city, Maryland code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 45 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State Legislative District 45 | 100% |
Voting precincts
1 voting precinct overlap ZIP 21287. 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:21287")
ZIP 21287 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.