Boundary Atlas

ZIP code 06320: New London, CT

ZIP code 06320 is in New London, in Southeastern Connecticut Planning Region, Connecticut. It is in Connecticut's 2nd congressional district. Its state senate district is State Senate District 20; its state house districts are State House District 39 (88%), State House District 40 (12%) and State House District 38 (0.1%).

27,398residents (2020 Census)
5.6 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Connecticut

City and county

City or townShare of ZIP residents
New London100%

CountyShare of ZIP residents
Southeastern Connecticut Planning Region100%

Town or county subdivisionShare of ZIP residents
New London town100%
Waterford town0.1%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 20100%

State house districtShare of ZIP residents
State House District 3988%
State House District 4012%
State House District 380.1%

Voting precincts

4 voting precincts overlap ZIP 06320. Map them, with each precinct's share of the ZIP's residents.

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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:06320")

ZIP 06320 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.