Blog · October 14, 2026 · New Jersey
The Mercer County Township Map: a New Jersey guide
Township lines, sections and parcel records for land around Nottingham Township.
Main page: Mercer County, NJ GIS & Parcel Viewer (official map link, Mercer County facts and neighboring maps).
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If a deed near Borough of Princeton mentions a township, or a tax bill names one, the Mercer County township map is how you locate it on the ground. This guide covers the free Mercer County, NJ options and how to read them.
How to use the Mercer County township map
In New Jersey, townships are local municipalities, so a property near Nottingham Township is governed by its township or borough for things like zoning and local permits. New Jersey does not use the federal survey grid, so rural deeds near Princeton Township describe land by metes and bounds rather than numbered survey townships.
Search Mercer County parcels by owner, address or ID
For land around Trenton, open the Mercer County parcel viewer; it is the map Mercer County itself publishes. Use the search box for an address in Robbinsville Township or a parcel number, or simply zoom in and click a tract around Trenton. For a backup route to the map covering Trenton, our Mercer County directory entry keeps the link current.
From Trenton to the back roads
Town lots cluster around Trenton, the county seat, and Nottingham Township, Princeton Township, Borough of Princeton, and Robbinsville Township. Roughly 224 square miles of land and about 381,671 residents (2023 estimate) make up Mercer County. Much of Mercer County is built out, so most clicks near Princeton Township land on platted lots.
Seeing township lines on the Mercer County map
The Mercer County parcel viewer is the quickest Mercer County township map for most people: switch on boundaries and click a parcel near Robbinsville Township. If the county record lists a municipality code, it names the township governing the lot near Nottingham Township.
Why the township matters
In Mercer County, township boundaries can matter more than the mailing town, and the Mercer County record is the better guide than an address. Assessment and tax districts in Mercer County are commonly tied to the township, so two neighboring parcels near Nottingham Township can carry different rates.
Working with township offices near Robbinsville Township
For a tract around Trenton, the township's own ordinances may apply on top of New Jersey rules. Check the township's website or office for meeting minutes and zoning maps that cover land near Robbinsville Township.
Deeds, districts and roads
Township names on a historical atlas of Mercer County can help when a family deed near Princeton Township uses an old place name. For property tax questions, the township shown on the county record for a parcel near Nottingham Township is the one that counts.
Work and land use in Mercer County
Mercer County's 2022 business count was 9,738 establishments, with professional and technical services, health care and social assistance, and retail trade the largest groups. Educational services and computer and electronic product manufacturing make up an above-average share of Mercer County businesses, a clue to how land around Trenton gets used.
Mercer County land records
The parcel layer for Mercer County points back to recorded deeds and plats, kept by the county's recording office (its title varies by state). A deed book and page or instrument number on the county record is the fastest way to request the document for a lot in Robbinsville Township.
Neighboring maps around Mercer County
Near the edge of the county, check the next map over: Burlington County, Hunterdon County, Middlesex County, Monmouth County, and Somerset County all border it. Our New Jersey page links each map neighboring Mercer County.
Mercer County, NJ: common questions
Does the Mercer County GIS map show township lines?
Usually; turn on boundary layers in the county viewer and zoom toward Nottingham Township.
Why is my mailing address in Borough of Princeton but my township different?
Postal towns and township lines in Mercer County do not always match; the parcel record shows the township for taxes.
How do I locate what township a property in Mercer County is in?
Click the parcel on the Mercer County parcel viewer; the Mercer County record generally names the township.
Can I see township boundaries near Robbinsville Township online?
Many county viewers include a township or municipal boundary layer; check the layer list on the Mercer County map.
Which township is my house near Trenton in?
Look up the address on the Mercer County parcel map and read the township field, or turn on township boundaries.
Open the official Mercer County, NJ parcel map Mercer County in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.