Waterbury, Connecticut
Waterbury is a city in Naugatuck Valley Planning Region, Connecticut, with 114,403 residents in 2020. It spans 2 congressional districts: CT-05 (83%) and CT-03 (17%). It spans 2 state senate and 7 state house districts.
County
| County | Share of residents |
|---|---|
| Naugatuck Valley Planning Region | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Connecticut's 5th congressional district (CT-05) | 83% |
| Connecticut's 3rd congressional district (CT-03) | 17% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CT-05) | Jahana Hayes (D) | 202-225-4476 | 83% |
| U.S. Representative (CT-03) | Rosa L. DeLauro (D) | 202-225-3661 | 17% |
| 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 15) | Joan Hartley (Democratic) | 78% | |
| State Senator (State Senate District 16) | Rob Sampson (R) | 22% | |
| State Representative (State House District 73) | Ron Napoli (Democratic) | 21% | |
| State Representative (State House District 74) | Michael DiGiovancarlo (Democratic/Working Families) | 21% | |
| State Representative (State House District 75) | Geraldo Reyes (Democratic) | 21% | |
| State Representative (State House District 72) | Larry Butler (Democratic) | 20% | |
| State Representative (State House District 71) | Bill Pizzuto (R) | 14% | |
| State Representative (State House District 89) | Lezlye Zupkus (R) | 1.6% | |
| State Representative (State House District 68) | Joe Polletta (R) | 1.3% |
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
- Waterbury website: https://www.waterburyct.org
- Waterbury laws: search for the Waterbury, Connecticut code of ordinances
- Naugatuck Valley Planning Region laws: search for the Naugatuck Valley Planning Region, Connecticut code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 15 | 78% |
| State Senate District 16 | 22% |
| State house district | Share of residents |
|---|---|
| State House District 73 | 21% |
| State House District 74 | 21% |
| State House District 75 | 21% |
| State House District 72 | 20% |
| State House District 71 | 14% |
| State House District 89 | 1.6% |
| State House District 68 | 1.3% |
ZIP codes
Percentages mark ZIPs only partly in Waterbury: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Waterbury'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:0980000")
Waterbury 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.