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County · code 37061

Duplin CountyNorth Carolina

Duplin County is a county in North Carolina with its seat in Kenansville. It was created in 1750 and named after Thomas Hay, 9th Earl of Kinnoull.

  • Founded1750
  • County seatKenansville
  • Named forThomas Hay, 9th Earl of Kinnoull
  • Land area815 sq mi + 5.5 sq mi water
  • Population48,715 2020 Census
  • Parcels mapped43,751 checked 16 October 2026
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Updated

LenoirPenderWayneSampsonOnslowJones Kenansville Census outline · seat marked

Where it is

Duplin on the map of North Carolina

North Carolina has 100 counties and county equivalents, each with its own records office. Shapes with a page are links.

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Counties of North Carolina · Duplin highlighted

History

Founded in 1750

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

Duplin was created from New Hanover on 17 March 1749/1750, though its northwestern boundary remained indefinite. The creation was repealed by King George II in 1754 but was re-created by the legislature in 1756 following Crown Instructions. Over time, Duplin lost territory to Johnston in 1777, to Sampson in 1784, and a small area to Lenoir in 1931.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

  1. c. 1750
    Duplin County created Duplin created from New Hanover; northwestern boundary limit was indefinite.
    from New Hanover
    · N.C. Recs., ch. 1, secs. 1-2/23:342-343
  2. 1751
    Gained territory Duplin gained from New Hanover; northwestern boundary limit remained indefinite.
    from New Hanover
    · N.C. Recs., ch. 14, sec. 6/25:246-247
  3. c. 1756
    Duplin County created Duplin re-created by the legislature in response to the Crown Instructions of 1 July 1755 (authorizing reenactment of the creations repealed on 8 April 1754). · N.C. Recs., ch. 9, sec. 2/23:446
  4. 1766
    Exchanged territory Duplin exchanged with New Hanover.
    with New Hanover
    · N.C. Recs., ch. 27, secs. 1-2/23:686-687
  5. 1777
    Lost territory Duplin lost to Johnston.
    to Johnston
    · N.C. Recs., ch. 33, secs. 1-2/24:144
Show all 12 changes (7 more, mostly small adjustments)
  1. c. 1750
    Duplin County created Duplin created from New Hanover; northwestern boundary limit was indefinite.
    from New Hanover
    · N.C. Recs., ch. 1, secs. 1-2/23:342-343
  2. 1751
    Gained territory Duplin gained from New Hanover; northwestern boundary limit remained indefinite.
    from New Hanover
    · N.C. Recs., ch. 14, sec. 6/25:246-247
  3. 1754
    Changed Creation of Duplin repealed by King George Ii, in Privy Council.
    Ii
    · N.C. Recs., ch. 9, sec. 1/23:445-446
  4. c. 1756
    Duplin County created Duplin re-created by the legislature in response to the Crown Instructions of 1 July 1755 (authorizing reenactment of the creations repealed on 8 April 1754). · N.C. Recs., ch. 9, sec. 2/23:446
  5. 1766
    Exchanged territory Duplin exchanged with New Hanover.
    with New Hanover
    · N.C. Recs., ch. 27, secs. 1-2/23:686-687
  6. 1777
    Lost territory Duplin lost to Johnston.
    to Johnston
    · N.C. Recs., ch. 33, secs. 1-2/24:144
  7. 1784
    Lost territory Duplin lost to creation of Sampson.
    to Sampson
    · N.C. Recs., ch. 75, secs. 1-2/24:642-644
  8. 1824
    Changed Boundary between Duplin and Lenoir defined (no change).
    Lenoir
    · Corbitt, 260-261; N.C. Sess. Laws 1819, ch. 126, sec. 1/p. 80
  9. 1832
    Changed Boundary between Duplin and Wayne defined (no change).
    Wayne
    · N.C. Sess. Laws 1831, ch. 101, secs. 1-2/p. 87; N.C. Sess. Laws 1833, ch. 86, secs. 1-3/pp. 147-148
  10. 1883
    Changed Boundary between Duplin and Wayne defined (no change).
    Wayne
    · N.C. Sess. Laws 1883, pub., ch. 335, sec. 1/pp. 506-507
  11. 1931
    Lost territory Duplin lost small area to Lenoir.
    to Lenoir
    · Corbitt, 260-262
  12. 1963
    Changed Boundary between Duplin and Sampson defined (no change).
    Sampson
    · N.C. Sess. Laws 1963, ch. 35, secs. 1-2/p. 28

Land and parcels

What the maps cover in Duplin

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

Duplin by the Census

Population
48,715 2020 Census count
Housing units
23,704 2020 Census count
Land area
815 square miles
Water area
5.5 square miles
People per sq mi
60 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

Duplin 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

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Questions

Common questions about Duplin County

When was Duplin County founded?
Duplin County was founded in 1750, and named after Thomas Hay, 9th Earl of Kinnoull.
What is the county seat of Duplin County?
The county seat of Duplin County is Kenansville.
Is there an online parcel map for Duplin County?
Yes. Duplin County publishes a parcel map of 43,751 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Duplin County's boundary or name changed?
Duplin County was created in 1750. Since then the Atlas of Historical County Boundaries records 7 later changes, chiefly involving New Hanover County, Ii County and Johnston County.
Is my lot in a flood zone?
We do not have flood maps for Duplin 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