ZIP code 21037: Edgewater, MD
ZIP code 21037 is in Edgewater (44% of residents), Mayo (41%), Parole (3.8%) and Annapolis Neck (2.9%), in Anne Arundel County, Maryland. 8.1% of its residents live outside city limits. It is in Maryland's 5th congressional district (93%) and Maryland's 3rd congressional district (6.7%). Its state senate district is State Senate District 30; its state house districts are State Legislative Subdistrict 30B (68%) and State Legislative Subdistrict 30A (32%).
See it on the mapAll of Maryland
City and county
| City or town | Share of ZIP residents |
|---|---|
| Edgewater | 44% |
| Mayo | 41% |
| Parole | 3.8% |
| Annapolis Neck | 2.9% |
| Riva | 0.7% |
| County | Share of ZIP residents |
|---|---|
| Anne Arundel County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 7 | 93% |
| District 6 | 6.7% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Maryland's 5th congressional district (MD-05) | 93% |
| Maryland's 3rd congressional district (MD-03) | 6.7% |
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-05) | Steny H. Hoyer (D) | 202-225-4131 | 93% |
| U.S. Representative (MD-03) | Sarah Elfreth (D) | 202-225-4016 | 6.7% |
| 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 30) | Shaneka Henson (Democratic) | 100% | |
| Delegate (State Legislative Subdistrict 30B) | Seth Howard (R) | 68% | |
| Delegate (State Legislative Subdistrict 30A) | Dana Jones (Democratic) | 32% | |
| Delegate (State Legislative Subdistrict 30A) | Dylan Behler (Democratic) | 32% |
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
- Edgewater laws: search for the Edgewater, Maryland code of ordinances
- Mayo laws: search for the Mayo, Maryland code of ordinances
- Parole laws: search for the Parole, 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 30 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State Legislative Subdistrict 30B | 68% |
| State Legislative Subdistrict 30A | 32% |
Voting precincts
8 voting precincts overlap ZIP 21037. 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:21037")
ZIP 21037 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.