Eldersburg, Maryland
Eldersburg is a Census-designated place (an unincorporated community) in Carroll County, Maryland, with 32,582 residents in 2020. It spans 2 congressional districts: MD-02 (88%) and MD-03 (12%). Its state senate district is State Senate District 5; its state house district is State Legislative District 5.
County
| County | Share of residents |
|---|---|
| Carroll County | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Maryland's 2nd congressional district (MD-02) | 88% |
| Maryland's 3rd congressional district (MD-03) | 12% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MD-02) | Johnny Olszewski, Jr. (D) | 202-225-3061 | 88% |
| U.S. Representative (MD-03) | Sarah Elfreth (D) | 202-225-4016 | 12% |
| 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 5) | Justin Ready (R) | 100% | |
| Delegate (State Legislative District 5) | April Rose (R) | 100% | |
| Delegate (State Legislative District 5) | Chris Tomlinson (R) | 100% | |
| Delegate (State Legislative District 5) | Christopher Bouchat (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
- Eldersburg laws: search for the Eldersburg, Maryland code of ordinances
- Carroll County website: https://www.carrollcountymd.gov/
- Carroll County laws: search for the Carroll County, Maryland code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 5 | 100% |
| State house district | Share of residents |
|---|---|
| State Legislative District 5 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Eldersburg: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Eldersburg'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:2425575")
Eldersburg 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.