ZIP code 01604: Worcester, MA
ZIP code 01604 is in Worcester, in Worcester County, Massachusetts. It is in Massachusetts's 2nd congressional district. Its state senate districts are Second Worcester District (95%) and First Worcester District (4.8%); its state house districts are 16th Worcester District (54%), 15th Worcester District (46%) and 14th Worcester District (<0.1%).
See it on the mapAll of Massachusetts
City and county
| City or town | Share of ZIP residents |
|---|---|
| Worcester | 100% |
| County | Share of ZIP residents |
|---|---|
| Worcester County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Worcester city | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 2nd congressional district (MA-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Joseph Petty | 100% | |
| U.S. Representative (MA-02) | James P. McGovern (D) | 202-225-6101 | 100% |
| U.S. Senator | Edward J. Markey (D) | 202-224-2742 · contact form | statewide |
| U.S. Senator | Elizabeth Warren (D) | 202-224-4543 · contact form | statewide |
| State Senator (Second Worcester District) | Mike Moore (Democratic) | 508-757-0323 ext. 13 | 95% |
| State Senator (First Worcester District) | Robyn Kennedy (Democratic) | 4.8% | |
| State Representative (16th Worcester District) | Dan Donahue (Democratic) | 54% | |
| State Representative (15th Worcester District) | Mary Keefe (Democratic) | 46% | |
| State Representative (14th Worcester District) | Jim O'Day (Democratic) | <0.1% |
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
- Worcester website: https://www.worcesterma.gov/
- Worcester laws: search for the Worcester, Massachusetts code of ordinances
- Worcester County laws: search for the Worcester County, Massachusetts code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Second Worcester District | 95% |
| First Worcester District | 4.8% |
| State house district | Share of ZIP residents |
|---|---|
| 16th Worcester District | 54% |
| 15th Worcester District | 46% |
| 14th Worcester District | <0.1% |
Voting precincts
16 voting precincts overlap ZIP 01604. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:01604")
ZIP 01604 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.