ZIP code 07830 is in Califon (15% of residents), in Hunterdon County (82%) and Morris County (18%), New Jersey. 85% of its residents live outside city limits. It is in New Jersey's 7th congressional district. Its state senate districts are State Senate District 23 (82%) and State Senate District 24 (18%); its state house districts are Assembly District 23 (82%) and Assembly District 24 (18%).
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).
11 voting precincts overlap ZIP 07830.
Map them, with each precinct's share of the ZIP's residents.
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related_geographies(id="us:zcta:07830")
ZIP 07830 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.