Portsmouth, New Hampshire
Portsmouth is a city in Rockingham County, New Hampshire, with 21,956 residents in 2020. It is in New Hampshire's 1st congressional district. It spans 5 state house districts. Its state senate district is State Senate District 21.
County
| County | Share of residents |
|---|---|
| Rockingham County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| New Hampshire's 1st congressional district (NH-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Deaglan McEachern | citywide | |
| U.S. Representative (NH-01) | Chris Pappas (D) | 202-225-5456 | 100% |
| U.S. Senator | Jeanne Shaheen (D) | 202-224-2841 · contact form | statewide |
| U.S. Senator | Margaret Wood Hassan (D) | 202-224-3324 · contact form | statewide |
| State Senator (State Senate District 21) | Rebecca Perkins Kwoka (Democratic) | 100% | |
| State Representative (State House District Rockingham 28) | Carrie Sorensen (Democratic) | 21% | |
| State Representative (State House District Rockingham 26) | Buzz Scherr (Democratic) | 21% | |
| State Representative (State House District Rockingham 27) | Gerry Ward (Democratic) | 20% | |
| State Representative (State House District Rockingham 21) | Jennifer Mandelbaum (Democratic) | 19% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Portsmouth website: http://www.cityofportsmouth.com/
- Portsmouth laws: search for the Portsmouth, New Hampshire code of ordinances
- Rockingham County website: http://co.rockingham.nh.us
- Rockingham County laws: search for the Rockingham County, New Hampshire code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 21 | 100% |
| State house district | Share of residents |
|---|---|
| State House District Rockingham 28 | 21% |
| State House District Rockingham 26 | 21% |
| State House District Rockingham 27 | 20% |
| State House District Rockingham 21 | 19% |
| State House District Rockingham 22 | 19% |
ZIP codes
Percentages mark ZIPs only partly in Portsmouth: the share of that ZIP's residents living in it.
- 03801 (96%)
Get this in your AI agent
Your agent can get Portsmouth'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:3362900")
Portsmouth 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.