Boundary Atlas

ZIP code 00920: San Juan, PR

ZIP code 00920 is in San Juan, in San Juan Municipio, Puerto Rico. It is in Puerto Rico's at-large congressional district. Its state senate district is State Senate District 1; its state house districts are State House District 2 (75%) and State House District 4 (25%).

14,798residents (2020 Census)
3.6 sq miland area
1cities and towns
1congressional district
7voting precincts

See it on the mapAll of Puerto Rico

City and county

City or townShare of ZIP residents
San Juan100%

CountyShare of ZIP residents
San Juan Municipio100%

Town or county subdivisionShare of ZIP residents
Gobernador Piñero barrio100%
Hato Rey Norte barrio0.1%

Congressional district

Congressional districtShare of ZIP residents
Puerto Rico's at-large congressional district (PR-AL)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%

State house districtShare of ZIP residents
State House District 275%
State House District 425%

Voting precincts

7 voting precincts overlap ZIP 00920. Map them, with each precinct's share of the ZIP's residents.

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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:00920")

ZIP 00920 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.