Millstone, New Jersey
Millstone is a borough in Somerset County, New Jersey, with 448 residents in 2020. It is in New Jersey's 12th congressional district. Its state senate district is State Senate District 16; its state house district is Assembly District 16.
County
| County | Share of residents |
|---|---|
| Somerset County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| New Jersey's 12th congressional district (NJ-12) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| 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 16) | Andrew Zwicker (Democratic) | 908-308-8672 | 100% |
| Assembly Member (Assembly District 16) | Mitchelle Drulis (Democratic) | 908-968-4329 | 100% |
| Assembly Member (Assembly District 16) | Roy Freiman (Democratic) | 908-968-4329 | 100% |
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
- Millstone website: https://millstoneboro.org/
- Millstone laws: search for the Millstone, New Jersey code of ordinances
- Somerset County laws: search for the Somerset County, New Jersey code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 16 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 16 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Millstone: the share of that ZIP's residents living in it.
- 08844 (1.0%)
Get this in your AI agent
Your agent can get Millstone's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:3446590")
Millstone here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.