Greenwich, Connecticut
Greenwich is a Census-designated place (an unincorporated community) in Western Connecticut Planning Region, Connecticut, with 13,836 residents in 2020. It is in Connecticut's 4th congressional district. It spans 3 state house districts. Its state senate district is State Senate District 36.
County
| County | Share of residents |
|---|---|
| Western Connecticut Planning Region | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Connecticut's 4th congressional district (CT-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CT-04) | James A. Himes (D) | 202-225-5541 | 100% |
| U.S. Senator | Christopher Murphy (D) | 202-224-4041 · contact form | statewide |
| U.S. Senator | Richard Blumenthal (D) | 202-224-2823 · contact form | statewide |
| State Senator (State Senate District 36) | Ryan Fazio (R) | 100% | |
| State Representative (State House District 150) | Steve Meskers (Democratic) | 65% | |
| State Representative (State House District 151) | Héctor Arzeno (Democratic) | 29% | |
| State Representative (State House District 149) | Tina Courpas (R) | 5.6% |
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
- Greenwich laws: search for the Greenwich, Connecticut code of ordinances
- Western Connecticut Planning Region laws: search for the Western Connecticut Planning Region, Connecticut code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 36 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 150 | 65% |
| State House District 151 | 29% |
| State House District 149 | 5.6% |
ZIP codes
Percentages mark ZIPs only partly in Greenwich: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Greenwich'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:0933690")
Greenwich 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.