ZIP code 00637 is in Sabana Grande (37% of residents), Lluveras (6.4%) and Liborio Negrón Torres (4.3%), in Sabana Grande Municipio (98%), Lajas Municipio (1.5%) and San Germán Municipio (0.5%), Puerto Rico. 52% 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 5 (99%) and State Senate District 4 (0.5%); its state house districts are State House District 21 (99%) and State House District 20 (0.5%).
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).
8 voting precincts overlap ZIP 00637.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 00637 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.