Boundary Atlas

ZIP code 02660: South Dennis, MA

ZIP code 02660 is in South Dennis (59% of residents), East Dennis (25%), West Dennis (12%) and Dennis Port (4.3%), in Barnstable County, Massachusetts. It is in Massachusetts's 9th congressional district. Its state senate district is Cape and Islands District; its state house district is 1st Barnstable District.

6,662residents (2020 Census)
8.4 sq miland area
5cities and towns
1congressional district
5voting precincts

See it on the mapAll of Massachusetts

City and county

City or townShare of ZIP residents
South Dennis59%
East Dennis25%
West Dennis12%
Dennis Port4.3%
Dennis0.7%

CountyShare of ZIP residents
Barnstable County100%

Town or county subdivisionShare of ZIP residents
Dennis town100%

Congressional district

Congressional districtShare of ZIP residents
Massachusetts's 9th congressional district (MA-09)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MA-09)William R. Keating (D)202-225-3111100%
U.S. SenatorEdward J. Markey (D)202-224-2742 · contact formstatewide
U.S. SenatorElizabeth Warren (D)202-224-4543 · contact formstatewide
State Senator (Cape and Islands District)Julian Cyr (Democratic)100%
State Representative (1st Barnstable District)Chris Flanagan (Democratic)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
Cape and Islands District100%

State house districtShare of ZIP residents
1st Barnstable District100%

Voting precincts

5 voting precincts overlap ZIP 02660. Map them, with each precinct's share of the ZIP's residents.

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ZIP 02660 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.