Mayo, Maryland
Mayo is a Census-designated place (an unincorporated community) in Anne Arundel County, Maryland, with 8,832 residents in 2020. It is in Maryland's 5th congressional district. Its state senate district is State Senate District 30; its state house district is State Legislative Subdistrict 30B.
County
| County | Share of residents |
|---|---|
| Anne Arundel County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Maryland's 5th congressional district (MD-05) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MD-05) | Steny H. Hoyer (D) | 202-225-4131 | 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 30) | Shaneka Henson (Democratic) | 100% | |
| Delegate (State Legislative Subdistrict 30B) | Seth Howard (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
- Mayo laws: search for the Mayo, 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 residents |
|---|---|
| State Senate District 30 | 100% |
| State house district | Share of residents |
|---|---|
| State Legislative Subdistrict 30B | 100% |
ZIP codes
Percentages mark ZIPs only partly in Mayo: the share of that ZIP's residents living in it.
- 21037 (41%)
Get this in your AI agent
Your agent can get Mayo's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:2451575")
Mayo here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.