ZIP code 08805: Bound Brook, NJ
ZIP code 08805 is in Bound Brook (86% of residents) and Martinsville (14%), in Somerset County, New Jersey. It is in New Jersey's 12th congressional district (86%) and New Jersey's 7th congressional district (14%). Its state senate district is State Senate District 23; its state house district is Assembly District 23.
See it on the mapAll of New Jersey
City and county
| City or town | Share of ZIP residents |
|---|---|
| Bound Brook | 86% |
| Martinsville | 14% |
| County | Share of ZIP residents |
|---|---|
| Somerset County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Bound Brook borough | 86% |
| Bridgewater township | 14% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| New Jersey's 12th congressional district (NJ-12) | 86% |
| New Jersey's 7th congressional district (NJ-07) | 14% |
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.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 23 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 23 | 100% |
Voting precincts
12 voting precincts overlap ZIP 08805. 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:08805")
ZIP 08805 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.