ZIP code 20903: Silver Spring, MD
ZIP code 20903 is in Silver Spring (63% of residents), Hillandale (15%), Langley Park (13%), Adelphi (6.1%) and Burnt Mills (3.2%), in Montgomery County (81%) and Prince George's County (19%), Maryland. It is in Maryland's 8th congressional district (81%) and Maryland's 4th congressional district (19%). Its state senate districts are State Senate District 20 (81%) and State Senate District 47 (19%); its state house districts are State Legislative District 20 (81%) and State Legislative Subdistrict 47B (19%).
See it on the mapAll of Maryland
City and county
| City or town | Share of ZIP residents |
|---|---|
| Silver Spring | 63% |
| Hillandale | 15% |
| Langley Park | 13% |
| Adelphi | 6.1% |
| Burnt Mills | 3.2% |
| Takoma Park | 0.4% |
| County | Share of ZIP residents |
|---|---|
| Montgomery County | 81% |
| Prince George's County | 19% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 5 | 55% |
| District 13 | 27% |
| District 17, Chillum | 15% |
| District 21, Berwyn | 4.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Maryland's 8th congressional district (MD-08) | 81% |
| Maryland's 4th congressional district (MD-04) | 19% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MD-08) | Jamie Raskin (D) | 202-225-5341 | 81% |
| U.S. Representative (MD-04) | Glenn Ivey (D) | 202-225-8699 | 19% |
| 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 20) | Will Smith (Democratic) | 81% | |
| State Senator (State Senate District 47) | Malcolm Augustine (Democratic) | 19% | |
| Delegate (State Legislative District 20) | David Moon (Democratic) | 81% | |
| Delegate (State Legislative District 20) | Jheanelle Wilkins (Democratic) | 81% | |
| Delegate (State Legislative District 20) | Lorig Charkoudian (Democratic) | 81% | |
| Delegate (State Legislative Subdistrict 47B) | Deni Taveras (Democratic) | 19% |
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
- Silver Spring laws: search for the Silver Spring, Maryland code of ordinances
- Hillandale laws: search for the Hillandale, Maryland code of ordinances
- Langley Park laws: search for the Langley Park, Maryland code of ordinances
- Montgomery County website: https://www.montgomerycountymd.gov/
- Montgomery County laws: search for the Montgomery County, 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 ZIP residents |
|---|---|
| State Senate District 20 | 81% |
| State Senate District 47 | 19% |
| State house district | Share of ZIP residents |
|---|---|
| State Legislative District 20 | 81% |
| State Legislative Subdistrict 47B | 19% |
Voting precincts
9 voting precincts overlap ZIP 20903. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:20903")
ZIP 20903 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.