ZIP code 21212: Baltimore, MD
ZIP code 21212 is in Baltimore (63% of residents) and Towson (37%), in Baltimore city (63%) and Baltimore County (37%), Maryland. It is in Maryland's 2nd congressional district (52%) and Maryland's 7th congressional district (48%). Its state senate districts are State Senate District 43 (88%), State Senate District 41 (8.5%) and State Senate District 11 (3.9%); its state house districts are State Legislative Subdistrict 43A (55%), State Legislative Subdistrict 43B (33%), State Legislative District 41 (8.5%) and State Legislative Subdistrict 11B (3.9%).
See it on the mapAll of Maryland
City and county
| City or town | Share of ZIP residents |
|---|---|
| Baltimore | 63% |
| Towson | 37% |
| County | Share of ZIP residents |
|---|---|
| Baltimore city | 63% |
| Baltimore County | 37% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Baltimore city | 63% |
| District 9 | 37% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Maryland's 2nd congressional district (MD-02) | 52% |
| Maryland's 7th congressional district (MD-07) | 48% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Brandon M. Scott | 410-545-0778 | 63% |
| U.S. Representative (MD-02) | Johnny Olszewski, Jr. (D) | 202-225-3061 | 52% |
| U.S. Representative (MD-07) | Kweisi Mfume (D) | 202-225-4741 | 48% |
| 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 43) | Mary Washington (Democratic) | 88% | |
| State Senator (State Senate District 41) | Dalya Attar (Democratic) | 8.5% | |
| State Senator (State Senate District 11) | Shelly Hettleman (Democratic) | 3.9% | |
| Delegate (State Legislative Subdistrict 43A) | Elizabeth Embry (Democratic) | 55% | |
| Delegate (State Legislative Subdistrict 43A) | Regina Boyce (Democratic) | 55% | |
| Delegate (State Legislative Subdistrict 43B) | Cathi Forbes (Democratic) | 33% | |
| Delegate (State Legislative District 41) | Malcolm Ruff (Democratic) | 8.5% | |
| Delegate (State Legislative District 41) | Sandy Rosenberg (Democratic) | 410-664-2646 | 8.5% |
| Delegate (State Legislative District 41) | Sean Stinnett (Democratic) | 8.5% | |
| Delegate (State Legislative Subdistrict 11B) | Dana Stein (Democratic) | 3.9% | |
| Delegate (State Legislative Subdistrict 11B) | Jon Cardin (Democratic) | 3.9% |
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Baltimore website: https://www.baltimorecity.gov/
- Baltimore council: Baltimore City Council
- Baltimore laws: search for the Baltimore, Maryland code of ordinances
- Towson laws: search for the Towson, Maryland code of ordinances
- Baltimore city website: https://www.baltimorecity.gov/
- Baltimore city laws: search for the Baltimore city, Maryland code of ordinances
- Baltimore County website: https://www.baltimorecountymd.gov/
- Baltimore County laws: search for the Baltimore County, Maryland code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 43 | 88% |
| State Senate District 41 | 8.5% |
| State Senate District 11 | 3.9% |
| State house district | Share of ZIP residents |
|---|---|
| State Legislative Subdistrict 43A | 55% |
| State Legislative Subdistrict 43B | 33% |
| State Legislative District 41 | 8.5% |
| State Legislative Subdistrict 11B | 3.9% |
Voting precincts
20 voting precincts overlap ZIP 21212. 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:21212")
ZIP 21212 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.