Aberdeen, Maryland
Aberdeen is a city in Harford County, Maryland, with 16,359 residents in 2020. It is in Maryland's 1st congressional district. It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| Harford County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Maryland's 1st congressional district (MD-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MD-01) | Andy Harris (R) | 202-225-5311 | 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 34) | Mary-Dulany James (Democratic) | 99% | |
| State Senator (State Senate District 35) | Jason Gallion (R) | 0.6% | |
| Delegate (State Legislative Subdistrict 34A) | Andre Johnson (Democratic) | 99% | |
| Delegate (State Legislative Subdistrict 34A) | Steve Johnson (Democratic) | 99% | |
| Delegate (State Legislative Subdistrict 35A) | Mike Griffith (R) | 0.6% | |
| Delegate (State Legislative Subdistrict 35A) | Teresa Reilly (R) | 0.6% |
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
- Aberdeen laws: search for the Aberdeen, Maryland code of ordinances
- Harford County website: https://www.harfordcountymd.gov/
- Harford County laws: search for the Harford County, Maryland code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 34 | 99% |
| State Senate District 35 | 0.6% |
| State house district | Share of residents |
|---|---|
| State Legislative Subdistrict 34A | 99% |
| State Legislative Subdistrict 35A | 0.6% |
ZIP codes
Percentages mark ZIPs only partly in Aberdeen: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Aberdeen'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:2400125")
Aberdeen here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.