Boundary Atlas

Spotswood, New Jersey

Spotswood is a borough in Middlesex County, New Jersey, with 8,163 residents in 2020. It is in New Jersey's 12th congressional district. Its state senate district is State Senate District 12; its state house district is Assembly District 12.

8,163residents (2020 Census)
2.3 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Middlesex County100%

Congressional district

Congressional districtShare of residents
New Jersey's 12th congressional district (NJ-12)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (NJ-12)Bonnie Watson Coleman (D)202-225-5801100%
U.S. SenatorAndy Kim (D)202-224-4744statewide
U.S. SenatorCory A. Booker (D)202-224-3224 · contact formstatewide
State Senator (State Senate District 12)Owen Henry (R)732-607-7580100%
Assembly Member (Assembly District 12)Alex Sauickie (R)609-758-0205100%
Assembly Member (Assembly District 12)Rob Clifton (R)732-970-6386100%

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

State legislative districts

State senate districtShare of residents
State Senate District 12100%

State house districtShare of residents
Assembly District 12100%

ZIP codes

Percentages mark ZIPs only partly in Spotswood: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Spotswood'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:3469810")

Spotswood 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.