ZIP code 08850: Milltown, NJ
ZIP code 08850 is in Milltown (85% of residents), in Middlesex County, New Jersey. 15% of its residents live outside city limits. It is in New Jersey's 12th congressional district. Its state senate districts are State Senate District 18 (97%) and State Senate District 17 (2.6%); its state house districts are Assembly District 18 (97%) and Assembly District 17 (2.6%).
See it on the mapAll of New Jersey
City and county
| City or town | Share of ZIP residents |
|---|---|
| Milltown | 85% |
| County | Share of ZIP residents |
|---|---|
| Middlesex County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Milltown borough | 85% |
| East Brunswick township | 13% |
| North Brunswick township | 2.6% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| New Jersey's 12th congressional district (NJ-12) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | George Murray | 85% | |
| U.S. Representative (NJ-12) | Bonnie Watson Coleman (D) | 202-225-5801 | 100% |
| U.S. Senator | Andy Kim (D) | 202-224-4744 | statewide |
| U.S. Senator | Cory A. Booker (D) | 202-224-3224 · contact form | statewide |
| State Senator (State Senate District 18) | Patrick Diegnan (Democratic) | 908-757-1677 | 97% |
| State Senator (State Senate District 17) | Bob Smith (Democratic) | 732-752-0770 | 2.6% |
| Assembly Member (Assembly District 18) | Robert Karabinchak (Democratic) | 732-548-1406 | 97% |
| Assembly Member (Assembly District 18) | Sterley Stanley (Democratic) | 732-875-3833 | 97% |
| Assembly Member (Assembly District 17) | Joe Danielsen (Democratic) | 732-247-3999 | 2.6% |
| Assembly Member (Assembly District 17) | Kevin Egan (Democratic) | 732-249-4550 | 2.6% |
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
- Milltown website: https://www.milltownnj.org/
- Milltown laws: search for the Milltown, New Jersey code of ordinances
- Middlesex County laws: search for the Middlesex County, New Jersey code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 97% |
| State Senate District 17 | 2.6% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 18 | 97% |
| Assembly District 17 | 2.6% |
Voting precincts
12 voting precincts overlap ZIP 08850. 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:08850")
ZIP 08850 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.