Boundary Atlas

ZIP code 03823: Madbury, NH

ZIP code 03823 is in Strafford County, New Hampshire, outside any city or Census-designated place. It is in New Hampshire's 1st congressional district. Its state senate districts are State Senate District 21 (99%) and State Senate District 4 (0.9%); its state house districts are State House District Strafford 11 (99%) and State House District Strafford 17 (0.9%).

1,928residents (2020 Census)
11.6 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of New Hampshire

City and county

City or townShare of ZIP residents
Dover0.9%

CountyShare of ZIP residents
Strafford County100%

Town or county subdivisionShare of ZIP residents
Madbury town99%
Dover city0.9%

Congressional district

Congressional districtShare of ZIP residents
New Hampshire's 1st congressional district (NH-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NH-01)Chris Pappas (D)202-225-5456100%
U.S. SenatorJeanne Shaheen (D)202-224-2841 · contact formstatewide
U.S. SenatorMargaret Wood Hassan (D)202-224-3324 · contact formstatewide
State Senator (State Senate District 21)Rebecca Perkins Kwoka (Democratic)99%
State Senator (State Senate District 4)David Watters (Democratic)0.9%
State Representative (State House District Strafford 11)Erik Johnson (Democratic)99%
State Representative (State House District Strafford 11)Janet Wall (Democratic)99%
State Representative (State House District Strafford 11)Tom Southworth (Democratic)99%
State Representative (State House District Strafford 17)Jessica LaMontagne (Democratic)0.9%

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 2199%
State Senate District 40.9%

State house districtShare of ZIP residents
State House District Strafford 1199%
State House District Strafford 170.9%

Voting precincts

2 voting precincts overlap ZIP 03823. Map them, with each precinct's share of the ZIP's residents.

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ZIP 03823 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.