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City ZIP codes · New Jersey

Trenton, NJ ZIP Codes

27 ZIP codes use the postal name Trenton, New Jersey (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 12 residential and 15 for PO boxes or a single organization. Median household income runs from $50,390 in 08618 to $132,520 in 08691, 2.6 times as much (Census Bureau, ACS 2020-2024). Trenton's most populous ZIP code is 08618, with 35,634 people (ACS 2020-2024); 46% of its land is in the city of Trenton.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Trenton's ZIP codes?

08608: $61k median household income08609: $68k median household income08610: $84k median household income08611: $57k median household income08618: $50k median household income08619: $106k median household income08620: $105k median household income08628: $108k median household income08629: $83k median household income08638: $67k median household income08690: $127k median household income08691: $133k median household income08691086200861008690086190861808628086110863808609086290860808608: $61k median household income08609: $68k median household income08610: $84k median household income08611: $57k median household income08618: $50k median household income08619: $106k median household income08620: $105k median household income08628: $108k median household income08629: $83k median household income08638: $67k median household income08690: $127k median household income08691: $133k median household income0869108620086100869008619086180862808611086380860908608: $61k median household income08609: $68k median household income08610: $84k median household income08611: $57k median household income08618: $50k median household income08619: $106k median household income08620: $105k median household income08628: $108k median household income08629: $83k median household income08638: $67k median household income08690: $127k median household income08691: $133k median household income0869108620086100869008618
The 12 residential ZIP codes named Trenton, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Trenton's ZIP codes?

The highest median household income is in 08691 ($132,520), the lowest in 08618 ($50,390). Home values run from $160,500 in 08611 to $552,000 in 08691.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 12 residential ZIP codes of Trenton

Residential ZIP codes with the postal name Trenton, NJ, largest first (ACS 2020-2024); sort by any column
County
08618 Mercer County 35,634 6,019 $50k $227k
08610 Mercer County 33,465 4,499 $84k $265k
08611 Mercer County 31,995 10,744 $57k $161k
08619 Mercer County 24,089 2,414 $106k $353k
08638 Mercer County 22,816 4,204 $67k $245k
08690 Mercer County 18,841 2,680 $127k $384k
08691 Mercer County 16,607 685 $133k $552k
08609 Mercer County 15,938 12,111 $68k $104k
08629 Mercer County 13,013 16,451 $83k $182k
08620 Mercer County 11,621 1,290 $105k $374k
08628 Mercer County 9,831 1,276 $108k $370k
08608 Mercer County 1,250 3,956 $61k $132k

Download the 27 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Trenton

15 ZIP codes named Trenton have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Trenton, NJ: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
08601Mercer County
08602Mercer County
08603Mercer County
08604Mercer County
08605Mercer County
08606Mercer County
08607Mercer County
08625Mercer County
08644Mercer County
08645Mercer County
08646Mercer County
08647Mercer County
08650Mercer County
08666Mercer County
08695Mercer County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Trenton's ZIP codes reach?

Trenton's residential ZIP codes lie in 3 counties: Mercer County (12 ZIP codes mainly there), Burlington County (part of a ZIP code), Monmouth County (part of a ZIP code).

Which places do Trenton's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Trenton's residential ZIP codes cover Trenton itself and 7 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Mercerville census-designated 08619, 08690
  • Yardville census-designated 08620, 08691
  • Groveville census-designated 08620
  • Hamilton Square census-designated 08690
  • Robbinsville Center census-designated 08691
  • The College of New Jersey census-designated 08618
  • White Horse census-designated 08610

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Trenton's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Trenton starts with 086.

Three-digit prefixes of Trenton's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Trenton's
PrefixSectional centerHereAll codes
086 Trenton, NJ (SCF 085) 27 30

27 of the 30 ZIP codes that start with 086 are Trenton's, all sorted at Trenton, NJ (SCF 085). The other 3 are 08640 (Joint Base Mdl), 08641 (Joint Base Mdl), 08648 (Lawrence Township).

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.