Maryland's 2nd congressional district (MD-02)
Maryland's 2nd congressional district (MD-02) covers parts or all of Carroll County, Baltimore County and Baltimore city, and 53 ZIP codes (20 wholly inside it). Its 2020 population was 770,906. This is the map in force for the November 3, 2026 election.
Who represents MD-02
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (MD-02) | Johnny Olszewski, Jr. (D) | 202-225-3061 |
| U.S. Senator | Angela D. Alsobrooks (D) | 202-224-4524 · contact form |
| U.S. Senator | Chris Van Hollen (D) | 202-224-4654 · contact form |
Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in MD-02 |
|---|---|
| Carroll County | 88% |
| Baltimore County | 69% |
| Baltimore city | 5.2% |
ZIP codes
Percentages mark ZIPs only partly in MD-02: the share of that ZIP's residents inside it.
- 21023
- 21030
- 21031
- 21043 (2.1%)
- 21048
- 21053 (91%)
- 21057 (0.4%)
- 21071
- 21074
- 21093
- 21102
- 21104 (46%)
- 21111 (41%)
- 21117
- 21120 (59%)
- 21128 (16%)
- 21131 (33%)
- 21133 (96%)
- 21136
- 21152
- 21153
- 21155
- 21157
- 21158
- 21162 (12%)
- 21163 (34%)
- 21204
- 21206 (19%)
- 21208 (67%)
- 21209 (71%)
- 21210 (85%)
- 21211 (54%)
- 21212 (52%)
- 21215 (4.2%)
- 21219 (<0.1%)
- 21220 (81%)
- 21221
- 21228 (56%)
- 21234 (87%)
- 21236 (91%)
- 21237 (93%)
- 21239 (19%)
- 21244 (52%)
- 21252
- 21285
- 21286
- 21757 (45%)
- 21771 (8.4%)
- 21776 (86%)
- 21784 (79%)
- 21787 (98%)
- 21791 (53%)
- 21797 (0.4%)
Towns
District 1, Taneytown, District 10, Middleburg, District 11, New Windsor, District 12, Union Bridge, District 2, Uniontown, District 3, Myers, District 4, District 4, Woolerys, District 5, District 5, Freedom, District 6, District 6, Manchester, District 7, Westminster, District 8, District 8, Hampstead, District 9, District 9, Franklin, District 14, District 3, District 15, District 2, District 11, District 1, District 7, District 14, Berrett, District 10 and Baltimore city.
Get this in your AI agent
Your agent can draw every precinct in MD-02, 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:2402", children_level="precinct", include_districts=True)