Boundary Atlas

ZIP code 03034: Candia, NH

ZIP code 03034 is in Rockingham County, New Hampshire, outside any city or Census-designated place. It is in New Hampshire's 1st congressional district (99%) and New Hampshire's 2nd congressional district (1.3%). Its state senate districts are State Senate District 16 (99%) and State Senate District 17 (1.3%); its state house district is State House District Rockingham 02.

4,066residents (2020 Census)
32.4 sq miland area
0cities and towns
2congressional districts
2voting precincts

See it on the mapAll of New Hampshire

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Rockingham County100%

Town or county subdivisionShare of ZIP residents
Candia town99%
Deerfield town1.3%

Congressional districts

Congressional districtShare of ZIP residents
New Hampshire's 1st congressional district (NH-01)99%
New Hampshire's 2nd congressional district (NH-02)1.3%

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 1699%
State Senate District 171.3%

State house districtShare of ZIP residents
State House District Rockingham 02100%

Voting precincts

2 voting precincts overlap ZIP 03034. 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:03034")

ZIP 03034 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.