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Trenton, NJ ZIP codes

Trenton, New Jersey has 27 ZIP codes, including 15 PO Box ZIPs. They are in Mercer County.

Population in these ZIPs
235,100
Avg. median income
$83,500population-weighted
Typical home value
$343,700population-weighted
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Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Trenton, NJ ZIP codes list

Trenton, NJ ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
08601 PO BoxMercer County———
08602 PO BoxMercer County———
08603 PO BoxMercer County———
08604 PO BoxMercer County———
08605 PO BoxMercer County———
08606 PO BoxMercer County———
08607 PO BoxMercer County———
08608Mercer County1,250$61,201$132,400
08609Mercer County15,938$68,238$207,500
08610Mercer County33,465$83,906$349,100
08611Mercer County31,995$56,788$194,200
08618Mercer County35,634$50,390$268,700
08619Mercer County24,089$105,946$429,300
08620Mercer County11,621$105,368$460,300
08625 PO BoxMercer County———
08628Mercer County9,831$108,158$423,000
08629Mercer County13,013$82,646$257,600
08638Mercer County22,816$66,875$306,200
08644 PO BoxMercer County———
08645 PO BoxMercer County———
08646 PO BoxMercer County———
08647 PO BoxMercer County———
08650 PO BoxMercer County———
08666 PO BoxMercer County———
08690Mercer County18,841$127,339$485,300
08691Mercer County16,607$132,520$633,400
08695 PO BoxMercer County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Trenton

Frequently asked questions

What is the ZIP code for Trenton, NJ?

Trenton, NJ has 27 ZIP codes: 08601, 08602, 08603, 08604, 08605, 08606, 08607, 08608, 08609, 08610, 08611, 08618, 08619, 08620, 08625, 08628, 08629, 08638, 08644, 08645, 08646, 08647, 08650, 08666, 08690, 08691 and 08695.

What county is Trenton, New Jersey in?

Trenton ZIP codes are in Mercer County.

Which Trenton ZIP codes are PO Boxes?

08601, 08602, 08603, 08604, 08605, 08606, 08607, 08625, 08644, 08645, 08646, 08647, 08650, 08666 and 08695 are PO Box or single-organization ZIP codes; they have no residential delivery area.