ZIP code 19090 is in Willow Grove (61% of residents) and Roslyn (2.2%), in Montgomery County, Pennsylvania. 37% of its residents live outside city limits. It is in Pennsylvania's 4th congressional district. Its state senate districts are State Senate District 12 (74%) and State Senate District 4 (26%); its state house districts are State House District 152 (93%), State House District 151 (7.1%) and State House District 153 (<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).
15 voting precincts overlap ZIP 19090.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 19090 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.