ZIP code 08553: Rocky Hill, NJ

ZIP code 08553 is in Rocky Hill, in Somerset County, New Jersey. 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.

743residents (2020 Census)

0.6 sq miland area

1cities and towns

1congressional district

1voting precincts

See it on the map All of New Jersey

City and county

City or town	Share of ZIP residents
Rocky Hill	100%

County	Share of ZIP residents
Somerset County	100%

Town or county subdivision	Share of ZIP residents
Rocky Hill borough	100%

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
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

Rocky Hill website: http://www.rockyhill-nj.gov/
Rocky Hill laws: search for the Rocky Hill, 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 ZIP residents
State Senate District 16	100%

State house district	Share of ZIP residents
Assembly District 16	100%

Voting precincts

1 voting precinct overlap ZIP 08553. Map them, with each precinct's share of the ZIP's residents.

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ZIP 08553 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.