ZIP code 06820 is in Noroton (25% of residents), Noroton Heights (14%), Tokeneke (13%) and Darien Downtown (5.3%), in Western Connecticut Planning Region, Connecticut. 42% of its residents live outside city limits. It is in Connecticut's 4th congressional district. Its state senate districts are State Senate District 25 (48%), State Senate District 27 (32%) and State Senate District 26 (20%); its state house districts are State House District 141 (96%) and State House District 125 (4.5%).
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).
6 voting precincts overlap ZIP 06820.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 06820 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.