Mount Rainier, Maryland
Mount Rainier is a city in Prince George's County, Maryland, with 8,333 residents in 2020. It is in Maryland's 4th congressional district. Its state senate district is State Senate District 47; its state house district is State Legislative Subdistrict 47A.
County
| County | Share of residents |
|---|---|
| Prince George's County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Maryland's 4th congressional district (MD-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MD-04) | Glenn Ivey (D) | 202-225-8699 | 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 47) | Malcolm Augustine (Democratic) | 100% | |
| Delegate (State Legislative Subdistrict 47A) | Diana Fennell (Democratic) | 100% | |
| Delegate (State Legislative Subdistrict 47A) | Julian Ivey (Democratic) | 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
- Mount Rainier website: http://www.mountrainiermd.org
- Mount Rainier laws: search for the Mount Rainier, Maryland code of ordinances
- Prince George's County website: https://www.princegeorgescountymd.gov/
- Prince George's County laws: search for the Prince George's County, Maryland code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 47 | 100% |
| State house district | Share of residents |
|---|---|
| State Legislative Subdistrict 47A | 100% |
ZIP codes
Percentages mark ZIPs only partly in Mount Rainier: the share of that ZIP's residents living in it.
- 20712 (87%)
Get this in your AI agent
Your agent can get Mount Rainier'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:2454275")
Mount Rainier 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.