Boundary Atlas

East Merrimack, New Hampshire

East Merrimack is a Census-designated place (an unincorporated community) in Hillsborough County, New Hampshire, with 5,176 residents in 2020. It is in New Hampshire's 1st congressional district. Its state senate district is State Senate District 11; its state house district is State House District Hillsborough 12.

5,176residents (2020 Census)
3.4 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Hillsborough 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 11)Tim McGough (R)100%
State Representative (State House District Hillsborough 12)Adam Presa (R)100%
State Representative (State House District Hillsborough 12)Bill Boyd (R)100%
State Representative (State House District Hillsborough 12)Jeanine Notter (R)100%
State Representative (State House District Hillsborough 12)Julie Miles (R)100%
State Representative (State House District Hillsborough 12)Maureen Mooney (R)100%
State Representative (State House District Hillsborough 12)Nancy Murphy (Democratic)100%
State Representative (State House District Hillsborough 12)Rosemarie Rung (Democratic)100%
State Representative (State House District Hillsborough 12)Wendy Thomas (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 11100%

State house districtShare of residents
State House District Hillsborough 12100%

ZIP codes

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

Get this in your AI agent

Your agent can get East Merrimack'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:3321780")

East Merrimack here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.