ZIP code 19003 is in Ardmore (88% of residents) and Haverford College (4.1%), in Montgomery County (53%) and Delaware County (47%), Pennsylvania. 7.4% of its residents live outside city limits. It is in Pennsylvania's 5th congressional district. Its state senate district is State Senate District 17; its state house districts are State House District 149 (47%), State House District 166 (47%) and State House District 148 (6.0%).
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).
18 voting precincts overlap ZIP 19003.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 19003 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.