ZIP code 21794: District 3, West Friendship, MD
ZIP code 21794 is in Howard County, Maryland, outside any city or Census-designated place. It is in Maryland's 3rd congressional district. Its state senate district is State Senate District 9; its state house district is State Legislative Subdistrict 9A.
See it on the mapAll of Maryland
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Howard County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 3, West Friendship | 90% |
| District 4, Lisbon | 10% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Maryland's 3rd congressional district (MD-03) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MD-03) | Sarah Elfreth (D) | 202-225-4016 | 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 9) | Katie Hester (Democratic) | 100% | |
| Delegate (State Legislative Subdistrict 9A) | Chao Wu (Democratic) | 100% | |
| Delegate (State Legislative Subdistrict 9A) | Natalie Ziegler (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
- Howard County website: https://www.howardcountymd.gov/
- Howard County laws: search for the Howard County, Maryland code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 9 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State Legislative Subdistrict 9A | 100% |
Voting precincts
3 voting precincts overlap ZIP 21794. 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:21794")
ZIP 21794 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.