Boundary Atlas

ZIP code 06475: Old Saybrook Center, CT

ZIP code 06475 is in Old Saybrook Center (22% of residents) and Saybrook Manor (11%), in Lower Connecticut River Valley Planning Region, Connecticut. 67% of its residents live outside city limits. It is in Connecticut's 2nd congressional district. Its state senate districts are State Senate District 33 (58%) and State Senate District 20 (42%); its state house district is State House District 23.

10,481residents (2020 Census)
15.1 sq miland area
3cities and towns
1congressional district
2voting precincts

See it on the mapAll of Connecticut

City and county

City or townShare of ZIP residents
Old Saybrook Center22%
Saybrook Manor11%
Fenwick0.5%

CountyShare of ZIP residents
Lower Connecticut River Valley Planning Region100%

Town or county subdivisionShare of ZIP residents
Old Saybrook town100%

Congressional district

Congressional districtShare of ZIP residents
Connecticut's 2nd congressional district (CT-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CT-02)Joe Courtney (D)202-225-2076100%
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 33)Norm Needleman (Democratic)58%
State Senator (State Senate District 20)Martha Marx (Democratic/Working Families)42%
State Representative (State House District 23)Devin Carney (R)100%

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 3358%
State Senate District 2042%

State house districtShare of ZIP residents
State House District 23100%

Voting precincts

2 voting precincts overlap ZIP 06475. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:06475")

ZIP 06475 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.