Arnold, Maryland
Arnold is a Census-designated place (an unincorporated community) in Anne Arundel County, Maryland, with 24,064 residents in 2020. It is in Maryland's 3rd congressional district. It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| Anne Arundel County | 100% |
Congressional district
| Congressional district | Share of 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 33) | Dawn Gile (Democratic) | 77% | |
| State Senator (State Senate District 30) | Shaneka Henson (Democratic) | 23% | |
| Delegate (State Legislative Subdistrict 33C) | Heather Bagnall Tudball (Democratic) | 77% | |
| Delegate (State Legislative Subdistrict 30A) | Dana Jones (Democratic) | 23% | |
| Delegate (State Legislative Subdistrict 30A) | Dylan Behler (Democratic) | 23% |
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
- Arnold laws: search for the Arnold, 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 33 | 77% |
| State Senate District 30 | 23% |
| State house district | Share of residents |
|---|---|
| State Legislative Subdistrict 33C | 77% |
| State Legislative Subdistrict 30A | 23% |
ZIP codes
Percentages mark ZIPs only partly in Arnold: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Arnold'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:2402275")
Arnold 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.