ZIP code 20737 is in East Riverdale (55% of residents), Riverdale Park (29%) and Woodlawn (10%), in Prince George's County, Maryland. 5.6% of its residents live outside city limits. It is in Maryland's 4th congressional district. Its state senate districts are State Senate District 22 (99%) and State Senate District 47 (1.5%); its state house districts are State Legislative District 22 (99%) and State Legislative Subdistrict 47A (1.5%).
Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).
State legislative districts
State senate district
Share of ZIP residents
State Senate District 22
99%
State Senate District 47
1.5%
State Senate District 21
land only
State house district
Share of ZIP residents
State Legislative District 22
99%
State Legislative Subdistrict 47A
1.5%
State Legislative District 21
land only
Voting precincts
11 voting precincts overlap ZIP 20737.
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:20737")
ZIP 20737 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.