ZIP code 01745: Southborough, MA
ZIP code 01745 is in Worcester County, Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 2nd congressional district. Its state senate district is Middlesex and Worcester District; its state house district is 19th Worcester District.
See it on the mapAll of Massachusetts
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Worcester County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Southborough town | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 2nd congressional district (MA-02) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Middlesex and Worcester District | 100% |
| State house district | Share of ZIP residents |
|---|---|
| 19th Worcester District | 100% |
Voting precincts
1 voting precinct overlap ZIP 01745. 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:01745")
ZIP 01745 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.