ZIP code 21032: Herald Harbor, MD
ZIP code 21032 is in Herald Harbor (31% of residents), Arden on the Severn (20%) and Crownsville (19%), in Anne Arundel County, Maryland. 29% of its residents live outside city limits. It is in Maryland's 3rd congressional district (100%) and Maryland's 5th congressional district (0.4%). Its state senate district is State Senate District 33; its state house district is State Legislative Subdistrict 33B.
See it on the mapAll of Maryland
City and county
| City or town | Share of ZIP residents |
|---|---|
| Herald Harbor | 31% |
| Arden on the Severn | 20% |
| Crownsville | 19% |
| Crofton | 0.4% |
| County | Share of ZIP residents |
|---|---|
| Anne Arundel County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 6 | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Maryland's 3rd congressional district (MD-03) | 100% |
| Maryland's 5th congressional district (MD-05) | 0.4% |
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 |
|---|---|---|---|
| U.S. Representative (MD-03) | Sarah Elfreth (D) | 202-225-4016 | 100% |
| U.S. Representative (MD-05) | Steny H. Hoyer (D) | 202-225-4131 | 0.4% |
| 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 33) | Dawn Gile (Democratic) | 100% | |
| Delegate (State Legislative Subdistrict 33B) | Stuart Schmidt (R) | 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
- Herald Harbor laws: search for the Herald Harbor, Maryland code of ordinances
- Arden on the Severn laws: search for the Arden on the Severn, Maryland code of ordinances
- Crownsville laws: search for the Crownsville, Maryland code of ordinances
- Anne Arundel County website: https://www.aacounty.org/
- Anne Arundel County laws: search for the Anne Arundel County, Maryland code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 33 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State Legislative Subdistrict 33B | 100% |
Voting precincts
7 voting precincts overlap ZIP 21032. 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:21032")
ZIP 21032 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.