Boundary Atlas

ZIP code 03054: Merrimack, NH

ZIP code 03054 is in East Merrimack (19% of residents), in Hillsborough County, New Hampshire. 81% of its residents live outside city limits. It is in New Hampshire's 1st congressional district (100%) and New Hampshire's 2nd congressional district (<0.1%). Its state senate district is State Senate District 11; its state house districts are State House District Hillsborough 12 (100%) and State House District Hillsborough 34 (<0.1%).

26,622residents (2020 Census)
32.6 sq miland area
1cities and towns
2congressional districts
2voting precincts

See it on the mapAll of New Hampshire

City and county

City or townShare of ZIP residents
East Merrimack19%

CountyShare of ZIP residents
Hillsborough County100%

Town or county subdivisionShare of ZIP residents
Merrimack town100%
Amherst town<0.1%

Congressional districts

Congressional districtShare of ZIP residents
New Hampshire's 1st congressional district (NH-01)100%
New Hampshire's 2nd congressional district (NH-02)<0.1%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 11100%

State house districtShare of ZIP residents
State House District Hillsborough 12100%
State House District Hillsborough 34<0.1%

Voting precincts

2 voting precincts overlap ZIP 03054. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:03054")

ZIP 03054 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.