Boundary Atlas

Somersworth, New Hampshire

Somersworth is a city in Strafford County, New Hampshire, with 11,855 residents in 2020. It is in New Hampshire's 1st congressional district. Its state senate district is State Senate District 4; its state house district is State House District Strafford 12.

11,855residents (2020 Census)
9.8 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Strafford County100%

Congressional district

Congressional districtShare of 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 4)David Watters (Democratic)100%
State Representative (State House District Strafford 12)Billie Butler (Democratic)100%
State Representative (State House District Strafford 12)John Stone (Democratic)100%
State Representative (State House District Strafford 12)Myles England (Democratic)100%
State Representative (State House District Strafford 12)Wayne Pearson (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 residents
State Senate District 4100%

State house districtShare of residents
State House District Strafford 12100%

ZIP codes

Percentages mark ZIPs only partly in Somersworth: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Somersworth's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:3369940")

Somersworth here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.