ZIP code 19904 is in Dover (61% of residents), Cheswold (4.4%), Rodney Village (4.0%) and Camden (1.1%), in Kent County, Delaware. 29% of its residents live outside city limits. It is in Delaware's at-large congressional district. Its state senate districts are State Senate District 17 (71%), State Senate District 15 (22%), State Senate District 14 (6.3%) and State Senate District 16 (0.4%); its state house districts are State Representative District 31 (56%), State Representative District 29 (24%), State Representative District 32 (8.8%), State Representative District 11 (7.5%) and State Representative District 34 (3.8%).
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
30 voting precincts overlap ZIP 19904.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 19904 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.