Boundary Atlas

ZIP code 00777: Juncos, PR

ZIP code 00777 is in Juncos (22% of residents) and El Mangó (3.5%), in Juncos Municipio (98%), San Lorenzo Municipio (0.8%), Las Piedras Municipio (0.8%), Canóvanas Municipio (0.1%) and Gurabo Municipio (0.1%), Puerto Rico. 75% of its residents live outside city limits. It is in Puerto Rico's at-large congressional district. Its state senate districts are State Senate District 7 (100%) and State Senate District 8 (0.1%); its state house districts are State House District 33 (99%), State House District 35 (0.8%), State House District 31 (0.1%) and State House District 37 (0.1%).

37,717residents (2020 Census)
26.9 sq miland area
4cities and towns
1congressional district
19voting precincts

See it on the mapAll of Puerto Rico

City and county

City or townShare of ZIP residents
Juncos22%
El Mangó3.5%
Pueblito del Río0.8%
Lomas0.1%

CountyShare of ZIP residents
Juncos Municipio98%
San Lorenzo Municipio0.8%
Las Piedras Municipio0.8%
Canóvanas Municipio0.1%
Gurabo Municipio0.1%

Town or county subdivisionShare of ZIP residents
Ceiba Norte barrio25%
Lirios barrio16%
Gurabo Abajo barrio13%
Ceiba Sur barrio13%
Mamey barrio10.0%
Valenciano Abajo barrio8.3%
Caimito barrio4.9%
Juncos barrio-pueblo4.0%
Valenciano Arriba barrio2.4%
Gurabo Arriba barrio1.4%
Quebrada barrio0.8%
El Río barrio0.8%
Lomas barrio0.1%
Mamey barrio0.1%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
Resident Commissioner (PR-AL)Pablo José Hernández (D)202-225-2615100%
State Senator (State Senate District 7)Luis Daniel Colón La Santa (Partido Nuevo Progresista)100%
State Senator (State Senate District 7)Wandy Soto (Partido Popular Democrático)100%
State Senator (State Senate District 8)Héctor Sánchez Álvarez (Partido Nuevo Progresista)0.1%
State Senator (State Senate District 8)Marissa Jiménez (Partido Nuevo Progresista)0.1%
State Representative (State House District 33)Ángel Peña Ramírez (Partido Nuevo Progresista)99%
State Representative (State House District 35)Sol Higgins (Partido Popular Democrático)0.8%
State Representative (State House District 31)Roberto López (Partido Nuevo Progresista)0.1%
State Representative (State House District 37)Carmen Medina Calderón (Partido Nuevo Progresista)0.1%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 7100%
State Senate District 80.1%

State house districtShare of ZIP residents
State House District 3399%
State House District 350.8%
State House District 310.1%
State House District 370.1%

Voting precincts

19 voting precincts overlap ZIP 00777. 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:

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ZIP 00777 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.