ZIP code 08857: Old Bridge, NJ
ZIP code 08857 is in Old Bridge (67% of residents), Brownville (6.7%) and Madison Park (1.3%), in Middlesex County, New Jersey. 25% of its residents live outside city limits. It is in New Jersey's 12th congressional district (95%) and New Jersey's 6th congressional district (5.2%). Its state senate districts are State Senate District 12 (100%) and State Senate District 19 (0.4%); its state house districts are Assembly District 12 (100%) and Assembly District 19 (0.4%).
See it on the mapAll of New Jersey
City and county
| City or town | Share of ZIP residents |
|---|---|
| Old Bridge | 67% |
| Brownville | 6.7% |
| Madison Park | 1.3% |
| Sayreville | 0.4% |
| County | Share of ZIP residents |
|---|---|
| Middlesex County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Old Bridge township | 100% |
| Sayreville borough | 0.4% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| New Jersey's 12th congressional district (NJ-12) | 95% |
| New Jersey's 6th congressional district (NJ-06) | 5.2% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (NJ-12) | Bonnie Watson Coleman (D) | 202-225-5801 | 95% |
| U.S. Representative (NJ-06) | Frank Pallone, Jr. (D) | 202-225-4671 | 5.2% |
| 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 12) | Owen Henry (R) | 732-607-7580 | 100% |
| State Senator (State Senate District 19) | Joe Vitale (Democratic) | 732-855-7441 | 0.4% |
| Assembly Member (Assembly District 12) | Alex Sauickie (R) | 609-758-0205 | 100% |
| Assembly Member (Assembly District 12) | Rob Clifton (R) | 732-970-6386 | 100% |
| Assembly Member (Assembly District 19) | Craig Coughlin (Democratic) | 732-855-7441 | 0.4% |
| Assembly Member (Assembly District 19) | Yvonne Lopez (Democratic) | 732-638-5057 | 0.4% |
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
- Old Bridge laws: search for the Old Bridge, New Jersey code of ordinances
- Brownville laws: search for the Brownville, New Jersey code of ordinances
- Madison Park laws: search for the Madison Park, 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 12 | 100% |
| State Senate District 19 | 0.4% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 12 | 100% |
| Assembly District 19 | 0.4% |
Voting precincts
39 voting precincts overlap ZIP 08857. 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:08857")
ZIP 08857 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.