Boundary Atlas

ZIP code 06437: Guilford, CT

ZIP code 06437 is in Guilford Center (12% of residents), in South Central Connecticut Planning Region, Connecticut. 88% of its residents live outside city limits. It is in Connecticut's 3rd congressional district. Its state senate district is State Senate District 12; its state house districts are State House District 98 (85%) and State House District 86 (15%).

22,064residents (2020 Census)
47.1 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of Connecticut

City and county

City or townShare of ZIP residents
Guilford Center12%

CountyShare of ZIP residents
South Central Connecticut Planning Region100%

Town or county subdivisionShare of ZIP residents
Guilford town100%
Branford town<0.1%

Congressional district

Congressional districtShare of ZIP residents
Connecticut's 3rd congressional district (CT-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CT-03)Rosa L. DeLauro (D)202-225-3661100%
U.S. SenatorChristopher Murphy (D)202-224-4041 · contact formstatewide
U.S. SenatorRichard Blumenthal (D)202-224-2823 · contact formstatewide
State Senator (State Senate District 12)Christine Cohen (Democratic)100%
State Representative (State House District 98)Moira Rader (Democratic/Working Families)85%
State Representative (State House District 86)Vin Candelora (R)15%

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).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 12100%

State house districtShare of ZIP residents
State House District 9885%
State House District 8615%

Voting precincts

6 voting precincts overlap ZIP 06437. Map them, with each precinct's share of the ZIP's residents.

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ZIP 06437 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.