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County · code 34027

Morris CountyNew Jersey

Morris County is in New Jersey, with its seat in Morristown. It was formed on March 15, 1739, and named after Lewis Morris.

  • Founded1739
  • County seatMorristown
  • Named forLewis Morris
  • Land area461 sq mi + 21 sq mi water
  • Population509,285 2020 Census
  • Parcels mapped180,571 checked 15 October 2026
Open the free map Click any parcel in Morris County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

PassaicEssexSomersetUnionSussexWarrenHunterdon Morristown Census outline · seat marked

Where it is

Morris on the map of New Jersey

New Jersey has 21 counties and county equivalents, each with its own records office. Shapes with a page are links.

Atlantic CountyBergen CountyBurlington CountyCamden CountyCape May CountyCumberland CountyEssex CountyGloucester CountyHudson CountyHunterdon CountyMercer CountyMiddlesex CountyMonmouth CountyOcean CountyPassaic CountySalem CountySomerset CountySussex CountyUnion CountyWarren CountyMorris County Morris
Counties of New Jersey · Morris highlighted

History

Founded in 1739

An old deed may name a county that no longer exists, or a boundary that has since moved.

Morris County was created on March 15, 1739, from Essex County and Hunterdon County, and initially included territory in New York. In 1753, Morris County lost territory to the creation of Sussex County and was eliminated from New York.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1739
    Morris County created 15 March 1738/1739. Morris created from Essex and Hunterdon.
    from Essexfrom Hunterdon
    · Paterson, 12-13; Snyder, 32
  2. 1749
    Boundary clarified Boundary between Morris and Somerset redefined (no change).
    with Somersetno change
    · Paterson, 14; Snyder, 34
  3. 1753
    Lost territory Morris lost to creation of Sussex.
    to Sussex
    · Paterson, 15; Snyder, 34

Land and parcels

What the maps cover in Morris

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Morris by the Census

Population
509,285 2020 Census count
Housing units
197,722 2020 Census count
Land area
461 square miles
Water area
21 square miles
People per sq mi
1,105 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Morris County's official site

We have found the county's site but not its offices yet; start there.

County government

See your own lot on these maps

Open Morris County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

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Questions

Common questions about Morris County

When was Morris County founded?
Morris County was founded in 1739, and named after Lewis Morris.
What is the county seat of Morris County?
The county seat of Morris County is Morristown.
Is there an online parcel map for Morris County?
Yes. A public source publishes a parcel map of 180,571 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Morris County's boundary or name changed?
Morris County was created in 1739. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Sussex County.
Is my lot in a flood zone?
We do not have flood maps for Morris County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door