ZIP code 00636: Rosario Bajo barrio, PR
ZIP code 00636 is in San Germán Municipio, Puerto Rico, outside any city or Census-designated place. It is in Puerto Rico's at-large congressional district. Its state senate district is State Senate District 4; its state house district is State House District 19.
See it on the mapAll of Puerto Rico
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| San Germán Municipio | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Rosario Bajo barrio | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Puerto Rico's at-large congressional district (PR-AL) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Resident Commissioner (PR-AL) | Pablo José Hernández (D) | 202-225-2615 | 100% |
| State Senator (State Senate District 4) | Jeison Rosa (Partido Nuevo Progresista) | 100% | |
| State Senator (State Senate District 4) | Karen Román (Partido Nuevo Progresista) | 100% | |
| State Representative (State House District 19) | Lilly Rosas (Partido Popular Democrático) | 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
- San Germán Municipio laws: search for the San Germán Municipio, Puerto Rico code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 4 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 19 | 100% |
Voting precincts
1 voting precinct overlap ZIP 00636. 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:00636")
ZIP 00636 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.