Boundary Atlas

ZIP code 06791: Northwest Harwinton, CT

ZIP code 06791 is in Northwest Harwinton (57% of residents), in Northwest Hills Planning Region, Connecticut. 43% of its residents live outside city limits. It is in Connecticut's 5th congressional district. Its state senate districts are State Senate District 8 (59%), State Senate District 31 (41%) and State Senate District 30 (0.2%); its state house districts are State House District 76 (99%), State House District 65 (0.9%) and State House District 66 (0.2%).

5,546residents (2020 Census)
30.9 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Connecticut

City and county

City or townShare of ZIP residents
Northwest Harwinton57%
Torrington0.9%

CountyShare of ZIP residents
Northwest Hills Planning Region100%

Town or county subdivisionShare of ZIP residents
Harwinton town99%
Torrington town0.9%
Litchfield town0.2%

Congressional district

Congressional districtShare of ZIP residents
Connecticut's 5th congressional district (CT-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CT-05)Jahana Hayes (D)202-225-4476100%
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 8)Paul Honig (Democratic/Working Families)59%
State Senator (State Senate District 31)Henri Martin (R)41%
State Senator (State Senate District 30)Stephen Harding (R)0.2%
State Representative (State House District 76)John Piscopo (R)99%
State Representative (State House District 65)Joe Canino (R)0.9%
State Representative (State House District 66)Karen Reddington-Hughes (R)0.2%

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 859%
State Senate District 3141%
State Senate District 300.2%

State house districtShare of ZIP residents
State House District 7699%
State House District 650.9%
State House District 660.2%

Voting precincts

4 voting precincts overlap ZIP 06791. Map them, with each precinct's share of the ZIP's residents.

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ZIP 06791 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.